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First published 2025
Publisher First Fandom Experience
Format Trade Paperback
Type Novel
Cover art Clay Ferguson, Jr.
Pages 351
Price $95.00
ISBN 9781736659687

The authors, except for Light-Waller, are not credited individually on the book's title page, but are instead credited at the beginning of each chapter. Sara Light-Waller's contribution is an alternate ending apparently to replace chapter 17.

Page Title Author(s) Type
6 Preface (The Ultimate Cosmos) David Ritter Essay
8 As an Introduction (Science Fiction Digest, September 1932) The Publishers Essay
9 Introduction: Welcome to the Cosmos Project David Ritter Essay
14 Original Plot Outline (The Ultimate Cosmos) Raymond A. Palmer Essay
19 Letter to Raymond A. Palmer, June 1934 Lloyd Eshbach Essay
21 Letter to Lloyd Eshbach, July 6, 1934 Raymond A. Palmer Essay
24 About the Artist: Clay Ferguson, Jr. uncredited Essay
31 July 1933: Cosmos Arrives uncredited Essay
33 About the Author: Ralph Milne Farley uncredited Essay
44 Inscription to Raymond A. Palmer Ralph Milne Farley Essay
45 August 1933: A Major New Author uncredited Essay
55 Inscription to Raymond A. Palmer David H. Keller, M.D. Essay
57 September 1933: A Double Dose uncredited Essay
79 Inscription to Raymond A. Palmer Bob Olsen Essay
81 October 1933: Illustrated! uncredited Essay
82 Letter (Science Fiction Digest, October 1933) Forrest J. Ackerman Essay
98 Inscription to Raymond A. Palmer Francis Flagg Essay
99 November 1933: Oops! uncredited Essay
114 December 1933: A Pinch Hitter—and a Pivot uncredited Essay
129 Inscription from "Rae Winters" to Herself? Rae Winters Essay
147 February 1934: Focus on Fiction uncredited Essay
159 March 1934: Palmer Orchestrates uncredited Essay
172 Raymond A. Palmer's Own Inscription Raymond A. Palmer Essay
187 Inscription to Raymond A. Palmer A. Merritt Essay
188 May & June 1934: Split Infinities uncredited Essay
189 The Outpost H. P. Lovecraft Poem
212 July 1934: Slim and None uncredited Essay
227 Inscription to Raymond A. Palmer E. E. 'Doc' Smith, Ph.D. Essay
228 Inscription to Raymond A. Palmer [2] E. E. 'Doc' Smith, Ph.D. Essay
230 Instructions for Readers to Rank the Cosmos Chapters Raymond A. Palmer Essay
243 Inscription to Raymond A. Palmer P. Schuyler Miller Essay
247 Letter to Forrest J. Ackerman, March 19, 1934 Clay Ferguson, Jr. Essay
261 Inscription to Raymond A. Palmer Lloyd A. Eshbach Essay
279 Inscription to Raymond A. Palmer Eando Binder Essay
296 Inscription to Raymond A. Palmer Edmond Hamilton Essay
297 The Cosmos Prize uncredited Essay
317 Cosmos Francis T. Laney & Earl Binder & Otto Binder & Arthur J. Burks & John W. Campbell, Jr. & Lloyd Arthur Eshbach & Ralph Milne Farley & Francis Flagg & Abner J. Gelula & J. Harvey Haggard & Edmond Hamilton & David H. Keller, M.D. & Otis Adelbert Kline & A. Merritt & P. Schuyler Miller & Bob Olsen & Raymond A. Palmer & Edward E. Smith Review
317 Cosmos: A Resurrection and Review Francis T. Laney Essay
318 Cosmos Don Wilson (I) & Earl Binder & Otto Binder & Arthur J. Burks & John W. Campbell, Jr. & Lloyd Arthur Eshbach & Ralph Milne Farley & Francis Flagg & Abner J. Gelula & J. Harvey Haggard & Edmond Hamilton & David H. Keller, M.D. & Otis Adelbert Kline & A. Merritt & P. Schuyler Miller & Bob Olsen & Raymond A. Palmer & Edward E. Smith Review
320 Appendix I: Conrad H. Ruppert, Printer uncredited Essay
325 Appendix II: Correspondence uncredited Short Fiction
326 Letter to Robert D. Swisher, Ph.D., May 15, 1937 John W. Campbell, Jr. Essay
334 Letter to Forrest J Ackerman, May 7, 1934 Julius Schwartz Essay
336 Letter to Forrest J Ackerman, May 29, 1934 Julius Schwartz Essay
337 Letter to Forrest J Ackerman, June 10, 1934 Julius Schwartz Essay
339 Letter to Forrest J Ackerman, September 9, 1934 Julius Schwartz Essay
341 Letter to Forrest J Ackerman, September 30, 1934 [2] Julius Schwartz Essay
343 Letter to Forrest J Ackerman, February 24, 1934 Clay Ferguson, Jr. Essay
344 Letter to Forrest J Ackerman, March 6, 1934 Clay Ferguson, Jr. Essay
345 Letter to Forrest J Ackerman, September 25, 1935 Clay Ferguson, Jr. Essay
346 Letter to Forrest J Ackerman, April 22, 1938 Edmond Hamilton Essay
347 Postcard to Forrest J Ackerman, May 14, 1933 Francis Flagg Essay
348 Postcard to Forrest J Ackerman, February 1, 1934 Francis Flagg Essay
349 Letter to A. Merritt, May 12, 1936 Leo Margulies Essay
350 Appendix III: The Quest uncredited Essay
101|101.1 Abouth the Author: John W. Campbell, Jr. uncredited Essay
119|119.1 About the Author: "Rae Winters" (Raymond A. Palmer) uncredited Essay
12|12.1 Letter to Lloyd Eshbach, c. March 1931 Julius Schwartz Essay
12|12.2 Letter to Lloyd Eshbach, March 19, 1932 Julius Schwartz Essay
130|130.1 January 1934: The Birth of Fantasy Magazine uncredited Essay
133|133.1 About the Authors: Otis Adelbert Kline & E. Hoffman Price uncredited Essay
145|145.1 Inscription to Raymond A. Palmer Otis Adelbert Kline Essay
145|145.2 Inscription to Raymond A. Palmer E. Hoffman Price Essay
150|150.1 About the Author: Abner J. Gelula uncredited Essay
161|161.1 About the Author: Raymond A. Palmer uncredited Essay
173|173.1 April 1934: The Best Chapter? uncredited Essay
175|175.1 About hte Author: A. Merritt uncredited Essay
18|18.1 Letter to Lloyd Eshbach, March 6, 1934 Raymond A. Palmer Essay
193|193.2 The Science Fiction Eye (Fantasy Magazine, June 1934, excerpt) Julius Schwartz Essay
193|193.3 Scientifilm Snapshots (Fantasy Magazine, June 1934, excerpt) Forrest J. Ackerman Essay
194|194.1 About the Author: J. Harvey Haggard uncredited Essay
210|210.1 Inscription to Raymond A. Palmer J. Harvey Haggard Essay
210|210.2 Inscription to Raymond A. Palmer [2] J. Harvey Haggard Essay
213|213.1 The Ether Vibrates (Fantasy Magazine, July 1934) Mortimer Weisinger Essay
213|213.2 Scientific Hoaxes (Fantasy Magazine, July 1934) Julius Schwartz & Milton Kaletsky Essay
214|214.1 About the Author: Edward E. Smith, Ph.D. uncredited Essay
229|229.1 August 1934: The Fate of Serial Novels uncredited Essay
231|231.1 About the Author: P. Schuyler Miller uncredited Essay
244|244.1 September 1934: The Second Anniversary uncredited Essay
246|246.2 Scientificinematorially Speaking (Fantasy Magazine, September 1934) Forrest J. Ackerman Essay
248|248.1 About the Author: Lloyd A. Eshbach uncredited Essay
262|262.1 October-November 1934: Looking Ahead uncredited Essay
264|264.1 About the Author: Eando Binder uncredited Essay
280|280.1 December 1934-January 1935: Cosmos Concludes uncredited Essay
282|282.3 About the Author: Edmond Hamilton uncredited Essay
299|299.1 About the Author: Sara Light-Waller uncredited Essay
313|313.1 Afterword (The Ultimate Cosmos) uncredited Essay
313|313.2 Letter to Forrest J Ackerman, September 30, 1934 Julius Schwartz Essay
315|315.2 Spilling the Atoms (Fantasy Magazine, May 1935) Raymond A. Palmer Essay
47|47.1 About the Author: David H. Keller, M.D. uncredited Essay
59|59.1 About the Author: Arthur J. Burks uncredited Essay
68|68.1 About the Author: Bob Olsen Clay Ferguson, Jr. Essay
83|83.1 About the Author: Francis Flagg uncredited Essay