Sidewise Awards for Alternate History
Presented by: Panel of judges
For: Alternative history
| Winner | A Brother's Oath | L. Briar |
| Nominee | Apart from That Mrs. Lincoln | Elektra Hammond |
| Nominee | Les Mariannes | Mark Ciccone |
| Winner | Sargassa | Sophie Burnham |
| Nominee | The Last Rival: A Time of Our Choosing | Kyle Palmer |
| Nominee | Infinity Gate | Mike Carey |
| Nominee | Westfallen | Ann Brashares+Ben Brashares |
| Nominee | Echo of Worlds | Mike Carey |
| Winner | Apollo in Retrograde | Rosemary Claire Smith |
| Nominee | Toe-to-Toe | Mark Ciccone |
| Winner | Cahokia Jazz | Francis Spufford |
| Nominee | The Wages of Sin | Harry Turtledove |
| Nominee | Julia | Sandra Newman |
| Nominee | Sunset Empire | Josh Weiss |
| Winner | The Peacekeeper | B. L. Blanchard |
| Nominee | Begin the World Over | Kung Li Sun |
| Nominee | Appliance | J. O. Morgan |
| Nominee | Beat the Devils | Josh Weiss |
| Nominee | Babel, or, The Necessity of Violence: An Arcane History of the Oxford Translators' Revolution | R. F. Kuang |
| Nominee | Three Miles Down | Harry Turtledove |
| Winner | A Sky and a Heaven | Eric Choi |
| Winner | A Dream of Electric Mothers | Wole Talabi |
| Nominee | It's Real Life | Paul Levinson |
| Nominee | Kingsbury 1944 | Michael Cassutt |
| Winner | Civilizations | Laurent Binet |
| Nominee | Broadway Revival | Laura Frankos |
| Nominee | The Apollo Murders | Chris Hadfield |
| Nominee | The Kingdoms | Natasha Pulley |
| Winner | Gunpowder Treason | Alan Smale |
| Nominee | Hitchcock's Titanic | Matthew Kresal |
| Nominee | Billie the Kid | Rick Wilber |
| Winner | The Doors of Eden | Adrian Tchaikovsky |
| Nominee | The Day Lincoln Lost | Charles Rosenberg |
| Nominee | The Relentless Moon | Mary Robinette Kowal |
| Nominee | The Cold Last Swim | Junior Burke |
| Nominee | The Good German | Dennis Bock |
| Winner | Moonshot | Matthew Kresal |
| Nominee | Wheel of Echoes | Sean McMullen |
| Nominee | 1827: Napoleon in Australia | Andrew J. Harvey |
| Winner | Christmas Truce | Harry Turtledove |
| Nominee | The Blue and the Red: Palmerston's Ironclads | William Stroock |
| Nominee | The Kaiserin of the Seas | Christopher G. Nuttall |
| Nominee | Drang nach Osten (Drive to the East) | Christopher G. Nuttall |
| Nominee | Any Way the Wind Blows | Seanan McGuire |
| Winner | The Future of Another Timeline | Annalee Newitz |
| Nominee | Famous Men Who Never Lived | K. Chess |
| Nominee | Walking Through Dreams | Jared Kavanagh |
| Nominee | The Fall of Rorke's Drift: An Alternate History of the Anglo-Zulu War of 1879 | John Laband |
| Winner | untitled | Eric Flint |
| Winner | Codex Valtierra | Oscar (Xiu) Ramirez+Emmanuel Valtierra |
| Nominee | The Secret City | Rick Wilber |
| Winner | The Calculating Stars | Mary Robinette Kowal |
| Nominee | The Trial and Execution of the Traitor George Washington | Charles Rosenberg |
| Nominee | Summerland | Hannu Rajaniemi |
| Nominee | Unholy Land | Lavie Tidhar |
| Winner | Once There Was a Way | Bryce Zabel |
| Nominee | The Berlin Project | Gregory Benford |
| Nominee | All Our Wrong Todays | Elan Mastai |
| Nominee | Clash of Eagles | Alan Smale |
| Nominee | Eagle in Exile | Alan Smale |
| Nominee | Eagle and Empire | Alan Smale |
| Nominee | A Time of Need | Brent A. Harris |
| Winner | Zigeuner | Harry Turtledove |
| Nominee | Sun River | Nisi Shawl |
| Nominee | The Twenty Year Reich | Dave D'Alessio |
| Nominee | N'oublions Jamais | Tom Anderson+Bruno Lombardi |
| Winner | Underground Airlines | Ben H. Winters |
| Nominee | Azanian Bridges | Nick Wood |
| Nominee | Acts of the Assassins | Richard Beard |
| Winner | Treasure Fleet | Daniel Bensen |
| Winner | What If the Jewish State Had Been Established in East Africa? | Adam Rovner |
| Nominee | Pirate Utopia | Bruce Sterling |
| Nominee | The Battle of London Bridge | G. K. Holloway |
| Nominee | The Danish Crutch | Anna Belfrage |
| Nominee | Twilight of the Mesozoic Moon | Brent A. Harris+Ricardo Victoria |
| Winner | The Big Lie | Julie Mayhew |
| Nominee | The British Lion | Tony Schumacher |
| Nominee | Joe Steele | Harry Turtledove |
| Winner | It Doesn't Matter Anymore | Bill Crider |
| Nominee | Red Legacy | Eneasz Brodski |
| Nominee | Elizabethtown | Eric Cline |
| Nominee | Losing Amelia | Rev DiCerto |
| Nominee | The Last of Time | Ken Poyner |
| Nominee | The Hero of Deadwood | James Reasoner |
| Winner | The Enemy Within | Kristine Kathryn Rusch |
| Nominee | Second Front: The Allied Invasion of France | Alexander M. Grace, Sr. |
| Nominee | The Darkest Hour | Tony Schumacher |
| Nominee | V-S Day | Allen Steele |
| Nominee | My Real Children | Jo Walton |
| Winner | The Long Haul From the ANNALS OF TRANSPORTATION, The Pacific Monthly, May 2009 | Ken Liu |
| Nominee | The Girl with the Flaxen Hair | Igor Ljubuncic |
| Nominee | The Principles | Robert Reed |
| Nominee | Let No Man Put Asunder | Aaron Rosenberg |
| Nominee | The Black Sun | Lewis Shiner |
| Nominee | The More it Changes | Harry Turtledove |
| Winner | Surrounded by Enemies: What if Kennedy Survived Dallas? | Bryce Zabel |
| Winner | The Windsor Faction | D. J. Taylor |
| Nominee | 1920: America's Great War | Robert Conroy |
| Nominee | The Secret of Abdu El Yezdi | Mark Hodder |
| Winner | The Weight of the Sunrise | Vylar Kaftan |
| Nominee | Blair's War | Ian Watson |
| Nominee | A Brief History of the Trans-Pacific Tunnel | Ken Liu |
| Nominee | Cayos in the Stream | Harry Turtledove |
| Nominee | Tollund | Adam Roberts |
| Nominee | Uncertainty | Kristine Kathryn Rusch |
| Winner | Dominion | C. J. Sansom |
| Nominee | The Cassandra Project | Jack McDevitt+Mike Resnick |
| Nominee | Doktor Glass | Thomas Brennan |
| Nominee | Expedition to the Mountains of the Moon | Mark Hodder |
| Nominee | The Mirage | Matt Ruff |
| Winner | Something Real | Rick Wilber |
| Nominee | Adrift on the Sea of Rains | Ian Sales |
| Nominee | Fade to White | Catherynne M. Valente |
| Nominee | Great White Ship | Lou Antonelli |
| Nominee | Steamgothic | Sean McMullen |
| Winner | Wake Up and Dream | Ian R. MacLeod |
| Nominee | Castro's Bomb | Robert Conroy |
| Nominee | Himmler's War | Robert Conroy |
| Nominee | Then Everything Changed: Stunning Alternate Histories of American Politics: JFK, RFK, Carter, Ford, Reagan | Jeff Greenfield |
| Nominee | Planesrunner | Ian McDonald |
| Nominee | Heart of Iron | Ekaterina Sedia |
| Nominee | Camera Obscura | Lavie Tidhar |
| Winner | Paradise Is a Walled Garden | Lisa Goldstein |
| Nominee | The Iron Shirts | Michael F. Flynn |
| Nominee | Orion Rising | Jason Stoddard |
| Nominee | Lee at the Alamo | Harry Turtledove |
| Winner | When Angels Wept: A What-If History of the Cuban Missile Crisis | Eric G. Swedin |
| Nominee | Columbia & Britannia | Brian A. Dixon+Adam Chamberlain |
| Nominee | Red Inferno 1945 | Robert Conroy |
| Nominee | Pinion | Jay Lake |
| Winner | A Clash of Eagles | Alan Smale |
| Nominee | Mammoths of the Great Plains | Eleanor Arnason |
| Nominee | Alten Kameraden | Barry B. Longyear |
| Nominee | Sidewinders | Ken MacLeod |
| Nominee | Goin' Down to Anglotown | William F. Wu |
| Winner | 1942 | Robert Conroy |
| Winner | The Fixation | Alastair Reynolds |
| Nominee | Yes We Have No Bananas | Paul Di Filippo |
| Nominee | Edison's Frankenstein | Chris Roberson |
| Nominee | Black Swan | Bruce Sterling |
| Nominee | The Persistence of Souls | Sarah Zettel |
| Winner | The Dragon's Nine Sons | Chris Roberson |
| Nominee | The Affinity Bridge | George Mann |
| Nominee | Swiftly | Adam Roberts |
| Nominee | Half a Crown | Jo Walton |
| Nominee | Nation | Terry Pratchett |
| Winner | Sacrifice | Mary Rosenblum |
| Nominee | The People's Machine | Tobias S. Buckell |
| Nominee | Poison Victory | Albert E. Cowdrey |
| Nominee | A Brief Guide to Other Histories | Paul J. McAuley |
| Nominee | Night Bird Soaring | T. L. Morganfield |
| Nominee | G-Men | Kristine Kathryn Rusch |
| Winner | The Yiddish Policemen's Union | Michael Chabon |
| Nominee | 1945 | Robert Conroy |
| Nominee | Mainspring | Jay Lake |
| Nominee | Rome Burning | Sophia McDougall |
| Nominee | Ha'penny | Jo Walton |
| Nominee | Ilario: The Lion's Eye | Mary Gentle |
| Winner | Recovering Apollo 8 | Kristine Kathryn Rusch |
| Winner | Quaestiones Super Caelo et Mundo | Michael F. Flynn |
| Nominee | Public Safety | Matthew Johnson |
| Nominee | Metal Dragon Year | Chris Roberson |
| Nominee | Missives from Possible Futures #1: Alternate History Search Results | John Scalzi |
| Nominee | An Alternate History of Chinese Science Fiction | Jess Nevins |
| Nominee | "Les Innocents/Lumiere" (A Chapter in Fix-up Novel New Amsterdam) | Elizabeth Bear |
| Winner | Counterfactual | Gardner Dozois |
| Nominee | The Pacific Mystery | Stephen Baxter |
| Nominee | Palestina | Martin J. Gidron |
| Nominee | The Plurality of Worlds | Brian Stableford |
| Nominee | O, Pioneer | Maya Kaathryn Bohnhoff |
| Nominee | The Meteor of the War | Andrew Tisbert |
| Nominee | History Lesson | Chris Floyd |
| Winner | Merchant Princes (Title Series) | Charles Stross |
| Nominee | Farthing | Jo Walton |
| Nominee | The Disunited States of America | Harry Turtledove |
| Nominee | The Tourmaline | Paul Park |
| Nominee | 1862 | Robert Conroy |
| Winner | The Summer Isles | Ian R. MacLeod |
| Nominee | A Princess of Roumania | Paul Park |
| Nominee | Romanitas | Sophia McDougall |
| Winner | Pericles the Tyrant | Lois Tilton |
| Nominee | Panacea | Jason Stoddard |
| Nominee | Harvest Moon | William Barton |
| Nominee | A Key to the Illuminated Heretic | A. M. Dellamonica |
| Nominee | The 2005 Hugo Award Ceremony Script | Kim Newman+Paul McAuley |
| Winner | Ministry of Space (Comic Book) | Warren Ellis+Chris Weston+Laura DuPuy Martin |
| Nominee | The Héloïse Archive | L. Timmel Duchamp |
| Nominee | The Ashbazu Effect | John G. McDaid |
| Nominee | The Gladiator's War: A Dialog | Lois Tilton |
| Nominee | Red Hands, Black Hands | Chris Roberson |
| Nominee | Five Guys Named Moe | Sean Klein |
| Winner | The Plot Against America | Philip Roth |
| Winner | O One | Chris Roberson |
| Nominee | The Day We Went Through the Transition | Ricard de la Casa+Pedro Jorge Romero |
| Nominee | The Eyes of America | Geoffrey A. Landis |
| Nominee | The Reign of Terror | Robert Silverberg |
| Nominee | The Cuban Missile Crisis: Second Holocaust | Robert L. O'Connell |
| Winner | Collaborator | Murray Davies |
| Nominee | Conquistador | S. M. Stirling |
| Nominee | A Disturbance of Fate | Mitchell J. Freedman |
| Nominee | Liverpool Fantasy | Larry Kirwan |
| Winner | The Severed Wing | Martin J. Gidron |
| Winner | Ruled Britannia | Harry Turtledove |
| Nominee | The Year of the Hangman | Gary L. Blackwood |
| Nominee | The Separation | Christopher Priest |
| Nominee | The Peshawar Lancers | S. M. Stirling |
| Winner | Empire | William Sanders |
| Nominee | We Come Not to Praise Washington | Charles Coleman Finlay |
| Nominee | The Invisible Empire | John Kessel |
| Nominee | With Caesar in the Underworld | Robert Silverberg |
| Nominee | The Last Ride of German Freddie | Walter Jon Williams |
| Winner | The Children's War | J. N. Stroyar |
| Nominee | Series "The Age of Unreason" (Newton's Cannon, A Calculus of Angels, Empire of Unreason, The Shadows of God) | J. Gregory Keyes |
| Nominee | ChronoSpace | Allen Steele |
| Winner | The Human Front | Ken MacLeod |
| Nominee | First to the Moon! | Stephen Baxter+Simon Bradshaw |
| Winner | Ash: A Secret History | Mary Gentle |
| Nominee | Inca: The Scarlet Fringe | Suzanne Allés Blom |
| Nominee | The Nantucket Trilogy (Island in the Sea of Time, Against the Tide of Years & On the Oceans of Eternity) | S. M. Stirling |
| Nominee | Crimson Skies, Wings of Justice: Book I, Rogue Flyer | Loren Coleman |
| Nominee | Prince of Hearts | Katy Cooper |
| Nominee | 1632 | Eric Flint |
| Nominee | Fortune's Stroke | Eric Flint+David Drake |
| Nominee | Carthage Ascendant: The Book of Ash, #2 | Mary Gentle |
| Nominee | Lost Burgundy: The Book of Ash, #4 | Mary Gentle |
| Nominee | The Wild Machines: The Book of Ash, #3 | Mary Gentle |
| Nominee | The Gate of Fire | Thomas Harlan |
| Nominee | Stars and Stripes in Peril | Harry Harrison |
| Nominee | Empire of Unreason | J. Gregory Keyes |
| Nominee | Fox on the Rhine | Douglas Niles+Michael Dobson |
| Nominee | The Napoleon Options | Jonathan North |
| Nominee | The Amber Spyglass | Philip Pullman |
| Nominee | Naked Presidents | James Silver |
| Nominee | Custer's Luck | Robert Skimin+William E. Moody |
| Nominee | On the Oceans of Eternity | S. M. Stirling |
| Nominee | Colonization: Down to Earth | Harry Turtledove |
| Nominee | The Great War: Breakthroughs | Harry Turtledove |
| Nominee | Downs-Lord Day | John Whitbourn |
| Winner | Seventy-Two Letters | Ted Chiang |
| Nominee | HMS Habakkuk | Eugene Byrne |
| Nominee | A Very British History | Paul J. McAuley |
| Nominee | The Other Side of Midnight: Anno Dracula 1981 | Kim Newman |
| Nominee | Xochiquetzal^Xochiquetzal e a Esquandra da Vingança | Carla Cristina Pereira |
| Nominee | Bloody Bunnies | Bradley Denton |
| Nominee | What If Al Gore Had Won in Florida? | Will Feltus+Laura Ingraham |
| Nominee | Watching Trees Grow | Peter F. Hamilton |
| Nominee | A Place to Stand | William H. Keith, Jr. |
| Nominee | Castle in the Desert: Anno Dracula 1977 | Kim Newman |
| Nominee | A Colder War | Charles Stross |
| Nominee | Loose Upon the Earth a Daemon | Tim Waggoner |
| Winner | Resurrection Day | Brendan DuBois |
| Nominee | Only One Shortlisted Novel | (********) |
| Winner | The Eighth Register^le Huithème registre | Alain Bergeron |
| Nominee | The Secret History of the Ornithopter | Jan Lars Jensen |
| Nominee | Getting to Know the Dragon | Robert Silverberg |
| Nominee | A Hero of the Empire | Robert Silverberg |
| Winner | For the Lord Darcy Stories | Randall Garrett |
| Winner | Making History | Stephen Fry |
| Nominee | Dinosaur Summer | Greg Bear |
| Nominee | Climb the Wind | Pamela Sargent |
| Winner | The Summer Isles | Ian R. MacLeod |
| Nominee | The Wire Continuum | Stephen Baxter+Arthur C. Clarke |
| Nominee | Waiting for the End | Robert Silverberg |
| Nominee | US | Howard Waldrop |
| Winner | How Few Remain | Harry Turtledove |
| Nominee | Time on My Hands: A Novel with Photographs | Peter Delacorte |
| Nominee | Jack Faust | Michael Swanwick |
| Winner | The Undiscovered | William Sanders |
| Nominee | For the Strength of the Hills | Lee Allred |
| Nominee | The King of Poland's Foot Cavalry | Roland J. Green |
| Nominee | Teddy Bears' Picnic | Kim Newman+Eugene Byrne |
| Winner | For Want of a Nail...; If Burgoyne Had Won at Saratoga | Robert J. Sobel |
| Winner | Voyage | Stephen Baxter |
| Nominee | Two Crowns for America | David Drake |
| Nominee | Shade and Shadow | Francine G. Woodbury |
| Nominee | Pastwatch: The Redemption of Christopher Columbus | Orson Scott Card |
| Nominee | The Hammer and the Cross Trilogy (The Hammer and the Cross, One King's Way, King and Emperor) | Harry Harrison+John Holm |
| Nominee | Worldwar series (In the Balance, Tilting the Balance, Upsetting the Balance, Striking the Balance) | Harry Turtledove |
| Nominee | Milton in America | Peter Ackroyd |
| Nominee | Cold Shoulder Road | Joan Aiken |
| Nominee | Too Many Notes, Mr. Mozart | Robert Barnard |
| Nominee | The Transmigration of Souls | William Barton |
| Nominee | Water! (O Greenest Branch!, The Dove Looked In, Branch and Crown) | Gaèl Baudino |
| Nominee | Branch Point | Mona Clee |
| Nominee | Music, in a Foreign Language | Andrew Crumey |
| Nominee | ARC Riders: The Fourth Rome | David Drake+Janet Morris |
| Nominee | Child of the Eagle: A Myth of Rome | Esther M. Friesner^Esther Friesner |
| Nominee | Making History | Stephen Fry |
| Nominee | Celestial Matters | Richard Garfinkle |
| Nominee | Wildside | Steven Gould |
| Nominee | '48 | James Herbert |
| Nominee | A Land Fit for Heroes (Escape to the Wild Wood, Stand Alone Stan, The Dragon Wakes, The Burning Forest) | Phillip Mann |
| Nominee | Shatterhand | Jake Page |
| Nominee | The Tranquillity Alternative | Allen Steele |
| Nominee | Drakon | S. M. Stirling |
| Nominee | Devil's Tower | Mark Sumner |
| Nominee | This Is My Blood | David Niall Wilson |
| Winner | Foreign Devils | Walter Jon Williams |
| Nominee | Columbiad | Stephen Baxter |
| Nominee | To Bring the Light | David Drake |
| Nominee | Flatfeet! | Howard Waldrop |
| Nominee | Bloody Knife & Morning Star | David Niall Wilson |
| Nominee | The Death-Sweet Scent of Lilies | David Niall Wilson |
| Nominee | Age of Aquarius | William Barton |
| Nominee | The Miracle of Ivar Avenue | John Kessel |
| Nominee | Abdication Street | Kim Newman+Eugene Byrne |
| Nominee | Resurrection | Mark W. Tiedemann |
| Nominee | Canals in the Sand | Kevin J. Anderson |
| Nominee | The Politics of Pneumatic Times | Erik T. Baker |
| Nominee | Prospero One | Stephen Baxter+Simon Bradshaw |
| Nominee | To See the World End | M. Shayne Bell |
| Nominee | Ezcalli | Kenneth Hite+Craig Neumeier+Michael Schiffer |
| Nominee | Gernsback | Kenneth Hite+Craig Neumeier+Michael Schiffer |
| Nominee | Shikaku-mon | Kenneth Hite+Craig Neumeier+Michael Schiffer |
| Nominee | Flashed Shadows | Morgan Hua |
| Nominee | The Spear of the Sun | David Langford |
| Nominee | Letters in the Wall | Barry N. Malzberg+Batya Swift |
| Nominee | Spelunking at the Cavern | Michael A. Martin |
| Nominee | The Temptation of Dr. Stein | Paul J. McAuley |
| Nominee | Nixon in Space | Rob McCleary |
| Nominee | Citizen Ed | Kim Newman+Eugene Byrne |
| Nominee | Symphony in a Minor Key | H. G. Stratmann |
| Winner | Pasquale's Angel | Paul J. McAuley |
| Nominee | The Two Georges | Richard Dreyfuss+Harry Turtledove |
| Nominee | The Bloody Red Baron | Kim Newman |
| Winner | Brigantia's Angels | Stephen Baxter |
| Nominee | From Whom All Blessings Flow | Stephen Dedman |
| Nominee | Brute Skill | David Garnett |
| Nominee | Receding Horizon | Jonathan Lethem+Carter Scholz |
| Nominee | The Lincoln Train | Maureen F. McHugh |
| Nominee | Must and Shall | Harry Turtledove |
| Nominee | You *Could* Go Home Again | Howard Waldrop |
| Winner | untitled | L. Sprague de Camp |