9780441016471 | Reprint edition (Ace Books, September 30, 2008), cover price $7.99 | About this edition: First introduced in Bram Stoker’s Dracula, Van Helsing was the ultimate adversary for the vampire—as complex as the fiend he relentlessly pursued.

9780441011704 | Ace Books, April 1, 2004, cover price $25.00 | About this edition: An all-original anthology of short stories captures the diverse faces and feats of Van Helsing, the famed vampire hunter from Bram Stoker's Dracula, in works by such authors as Katherine Dunn, Elizabeth Hand, Kathe Koja, Tanith Lee, Kristine Katherine Rusch, F.

9781429971768 | 1 edition (St Martins Pr, April 1, 2007), cover price $9.99

9780345452184 | Reprint edition (Del Rey, November 1, 2002), cover price $6.99 | About this edition: Follows Commander John Sheridan and his wife, Anna, as she embarks on a scientific mission on the rim of known space that can irrevocably alter the future.

9780345438331 | Del Rey, November 1, 2001, cover price $7.99 | About this edition: As the Shadows gather for their ultimate victory over the galaxy, Galen, the possessor of the unstoppable Spell of Destruction, leaves the stronghold of the techno-mages to lend his assistance in the final, apocalyptic battle against the evil of the Shadows.

9780345427229 | Del Rey, July 1, 2001, cover price $7.99 | About this edition: Galen, a techno-mage, journeys to the ancient capital of the Shadows to uncover the truth about the enemy's plans and searches for Elizar, the traitor who murdered his lover, the techno-mage Isabelle.

9780312209582, titled "Science of Star Wars: An Astrophysicist's Independent Examination of Space Travel, Aliens, Planets, and Robots As Portrayed in the Star Wars Films and Books" | 1 edition (St Martins Pr, May 1, 1999), cover price $22.95 | About this edition: Looks at 'Star Wars' in the light of the latest scientific discoveries and research, to evaluate how probable its concepts are

9780312263874, titled "The Science of Star Wars: An Astrophysicist's Independent Examination of Space Travel, Aliens, Planets, and Robots As Portrayed in the Star Wars Films and Books" | Griffin, May 1, 2000, cover price $18.99 | About this edition: Looks at 'Star Wars' in the light of the latest scientific discoveries and research and evaluates the probability of light sabers, the 'force,' and alien life.

9780736645195, titled "The Science of Star Wars: An Astrophysicist's Independent Examination of Space Travel, Aliens, Planets and Robots As Portrayed in the Star Wars Films and Books" | Unabridged edition (Books on Tape, July 1, 1999), cover price $29.95

9780613268486, titled "The Science of Star Wars: An Astrophysicist's Independent Examination of Space Travel, Aliens, Planets and Robots As Portrayed in the Star Wars Films and Books" | Turtleback Books, March 1, 2001, cover price $26.95 | About this edition: Looks at 'Star Wars' in the light of the latest scientific discoveries and research and evaluates the probability of light sabers, the 'force,' and alien life.

9780345427212 | Reissue edition (Ballantine Books, February 1, 2001), cover price $6.99 | About this edition: Elric and student Galen watch the arrival of the techno-mages on planet Soom with anticipation, but when rumors of danger circulates, Galen and lover Isabelle investigate the reawakening of an ancient race and must brace for possible war and annihilation.

9780736645157 | Books on Tape, March 1, 1999, cover price $56.00 | About this edition: Book by Cavelos, Jeanne

9780425167113 | Boulevard, November 1, 1998, cover price $12.95 | About this edition: With the help of noted scientists and biologists, the author examines the scientific theories and plausibility of the most bizarre and compelling episodes of the science fiction TV series, 'The X-Files'

9780440223481 | Dell Pub Co, April 1, 1997, cover price $5.50 | also contains Katie's Happy Mother's Day | About this edition: Follows Commander John Sheridan and his wife, Anna, as she embarks on a scientific mission on the rim of known space that can irrevocably alter the future