The Three Investigators, The Mystery of the Owls

Kim, Franzi, and Marie are "The Three !!!". Brave and clever, the three detectives investigate and are up to any case—this time with the reader's help: A special volume with sealed pages and a secret code wheel to solve the mystery.

Kim, Franzi, and Marie have just proven their talent as puzzle-solvers in Sophia's mother's escape room when a new case awaits. Sophia wants to claim her uncle's inheritance, but to find the location, she must solve an extremely difficult puzzle. The uncle's clues lead the girls from puzzle to puzzle, to mysterious Native American treasures and constant new coded messages. Will they manage to crack the code? There are only a few hours left before the information about the hiding place self-destructs...