Written by PETER MILLIGAN Art by KIERON DWYER, TOM MANDRAKE and DENNIS JANKE Cover by MIKE MIGNOLA and GEORGE PRATT In these thrilling tales from BATMAN #452-454, The Riddler goes on a crimepsree - but when he has the chance to kill Batman, he let The Dark Knight live. What strange game is The Riddler playing? Plus, in a story from DETECTIVE COMICS #633, Bruce Wayne returns to Wayne Manor to find no trace of the Batcave, and Alfred without any knowledge of his master's crimefighting career. Has