Batman: Castle of the Bat by Jack C. Harris
IT'S ALIVE ...ALIVE! The newest title in the Elseworlds series offers a new twist on the classic Frankenstein tale. In the 18th century, young Bruce Wayne uncovers chilling secrets about his brutally slain scientist father, physician Thomas Wayne - secrets that set in motion a horrifying experiment. In the subterranean bowels of a medical research laboratory, Bruce discovers a secret passage to the anatomical vaults. Amid the various body parts that line the damp stone walls, stored in a unique liquid chemical compound, waits the living brain of Bruce Wayne's father...