Ace Books adalah sebuah penerbitan Amerika khusus buku fiksi ilmiah dan fantasi. Perusahaan tersebut didirikan di New York City pada 1952 oleh Aaron A. Wyn dan dimulai sebagai penerbit genre misteri dan barat.
Corrick, James A.Double Your Pleasure: The Ace SF Double, Gryphon Books, 1989. ISBN0-936071-13-3. A historical article, followed by a checklist of the SF Doubles, giving prior publication history for the contents of each one.
Thiessen, J. GrantScience Fiction Collector #1, Pandora's Books, 1976. Includes checklist of all Ace singles and doubles in the science fiction, fantasy, and horror fields.
Thiessen, J. Grant Science Fiction Collector #2, Pandora's Books, date unknown. Includes errata for checklist in #1.
Tuck, Donald H.The Encyclopedia of Science Fiction and Fantasy: Volume 3, Advent: Publishers, Inc., 1982. ISBN0-911682-26-0. Lists all Ace sf titles, single and double, published through 1968.
Jaffery, SheldonDouble Trouble: A Bibliographic Chronicle of Ace Mystery Doubles, Starmont Popular Culture Series #11, Borgo Press, 1987. ISBN1-55742-118-8.
Jaffery, Sheldon Double Futures: An Annotated Bibliography of the Ace Science Fiction Doubles, Borgo Press, 1999. ISBN1-55742-139-0.
Peters, Harold R. Science Fiction, Fantasy & Horror in the Ace Letter-Series Editions: A Collector's Notebook, Silver Sun Press, 1996.
