Ravensburger Meisterdetektiv Sherlock Bones. Ein spannender Rätselkrimi zum Mitraten, Band 2: Die verfluchte

Here you become a detective! Sherlock Bones and Dr. Catson are on vacation in Egypt. There, they explore a dangerous labyrinth beneath a pyramid. When a valuable mask is stolen from the tomb of the Cat King, they set out to find clues. Can you help Sherlock Bones and Dr. Catson catch the thief?

The entire series featuring Sherlock Bones and Dr. Catson:
Volume 1: "The Search for the Crown Jewels"
Volume 2: "The Cursed Mask"
Volume 3: "The Vanished Wizard"

More mystery puzzles to solve: "Catch the Thief" by Steffen Gumpert and "The Adventures of the Black Hand" by Hans Jürgen Press.