A field trip to the local science museum turns into a monster of a mystery. The Bailey School kids are exploring the spooky old building when they cross paths with Dr. Victor and his gigantic, lumbering assistant named Frank. The museum is full of locked doors and strange electrical noises, and Dr. Victor is conducting some very secretive experiments in a hidden laboratory. The kids are terrified of the hulking assistant, until they catch Frank outside tenderly planting beautiful petunias in the garden. Melody, Liza, Howie, and Eddie cannot decide what to think. Could this gentle, flower loving giant actually be Frankenstein's legendary monster? The four friends sneak away from their tour group to investigate the lab and uncover the shocking truth. This thrilling chapter book mixes classic monster lore with elementary school sleuthing, giving young readers an exciting, slightly spooky adventure packed with curious clues.