Books about Trapdoor from Amazon.com

The critically-acclaimed graphic novel is now a COLLECTED EDITION with stunning Basil Gogos cover. Prior to his infamous life as 'The Phantom,' the disfigured genius named Erik traveled the globe as a magician and sideshow horror. His unique skills eventually earned him a job as architect and political assassin for the Shah of Persia. THE TRAP-DOOR MAKER tells the tale of Erik's origins, actions, and ultimate betrayal! COLLECTED EDITION contains all three books, as well as bonus adaptation of Gaston Leroux's THE PHANTOM OF THE OPERA, Chapter 1..
Price: $19.99 [Notify me when price goes down.]

Here is another collection drawn from Martin Gardner's 'Mathematical Games' column in Scientific American. Each chapter explores a different theme, for example fractals, surreal numbers, the sculptures of Berrocal, tiling the plane, Ramsey theory and code breaking, all combining to create a rich diet of recreational mathematics. Most chapters can be readily understood by the uninitiated: at each turn there are challenges for the reader and a wealth of references for further reading. Gardner's clarity of style and ability systematically to simplify the complex make this an excellent vehicle in which to start or continue an interest in recreational mathematics..
Price: $26.95 [Notify me when price goes down.]

Prior to his infamous life as The Phantom, the disfigured genius named Erik traveled the globe as a magician and sideshow horror. His unique skills eventually earned him a job as architect and political assassin for the Shah of Persia. Book Three contains the stunning conclusion to Erik's Persian adventures. We all know that he survives. But not why he was supposed to die..
Price: $5.99 [Notify me when price goes down.]

Prior to his infamous life as "The Phantom," the disfigured genius named Erik traveled the globe as a magician and sideshow horror. His unique skills eventually earned him a job as palace architect and political assassin for the Shah of Persia. BOOK TWO tells of Erik's childhood, his mentor Shahab's tragedy, and the inspiration for the infamous "Iron Jungle" torture chamber..
Price: $1.99 [Notify me when price goes down.]