The Mars Conspiracy is a novel created by Simon Sherwood, published by Gotham City: Berryman Books, 2004.
The book contained revelations about a secret plan to design and build a cybernetic assassin known as Project Mars. The author, who helped design the machines artificial intelligence, tried to use the book to expose the shadowy figures behind the project however they sent one of the assassins to destroy the book during its lunch. The author, editors and printer were killed as well as the publisher's office being blown up and the distributor's warehouse burned to the ground before Batgirl and Oracle were able to find one of the book's last copies in the Gotham City Public Library and stop the cyborg. However the last copy was destroyed when the cyborg self destructed.