| 2006 |
Nonfiction
|
Ancient Rome and Pompeii: A Nonfiction Companion to Magic Tree House #13: Vacation Under the Volcano |
Mary Pope Osborne
&
Natalie Pope Boyce
|
| 2013 |
Nonfiction
|
Magic Tricks from the Tree House: A Nonfiction Companion to Magic Tree House #50: Hurry Up, Houdini! |
Natalie Pope Boyce
&
Mary Pope Osborne
|
| 2016 |
Nonfiction
|
Dogsledding and Extreme Sports: A Nonfiction Companion to Magic Tree House #54: Balto of the Blue Dawn |
Mary Pope Osborne
&
Natalie Pope Boyce
|
| 2016 |
Nonfiction
|
Dragons and Mythical Creatures: A Nonfiction Companion to Magic Tree House #55: Night of the Ninth Dragon |
Natalie Pope Boyce
&
Mary Pope Osborne
|