9780595197545 | Writers Club Pr, August 1, 2001, cover price $18.95

9780380975105, titled "Einstein's Bridge" | Avon Books, June 1, 1997, cover price $23.00 | About this edition: Drawn together at the site of the Superconducting Super Collider, two physicists and a female novelist discover an unexpected anamoly, a communication from another universe that warns of a hostile alien life form known as 'The Hive' that seeks out intelligent life to destroy it

9780380788316, titled "Einstein's Bridge" | Eos, May 1, 1998, cover price $3.99 | About this edition: In a new twenty-first century Earth, the planet's top scientists discover a way to connect our world with alternate universes and inadvertently pave the way for a hostile, life-annihilating entity.

9780380792795, titled "Einstein's Bridge" | Avon Books, June 1, 1997, cover price $13.00 | About this edition: Drawn together at the site of the Superconducting Super Collider, two physicists and a female novelist discover an unexpected anamoly, a communication from another universe that warns of a hostile alien life form known as 'The Hive' that seeks out intelligent life to destroy it

9780595194162 | Iuniverse Inc, July 1, 2001, cover price $16.95

9781413797091 | Publishamerica Inc, March 30, 2006, cover price $27.95

9780877959670 | William Morrow & Co, February 1, 1989, cover price $18.95 | About this edition: When David Harrington, an experimental physicist, discovers that pieces of our universe can be exchanged for another, he and his two sons are stranded in another universe and murderous thugs conspire to steal his secret

9780380710270 | Reprint edition (Avon Books, June 1, 1997), cover price $6.99 | About this edition: When David Harrington, an experimental physicist, discovers that one piece of the universe can be exchanged for another, he and his two sons become stranded in an alternate universe, pursued by murderous thugs who conspire to steal the secret of his discovery.