In this adventure Tintin, Snowy, and Captain Haddock look into the abduction of their friend Professor Calculus, as well as investigating how his disappearance connects to a mysterious illness affecting an archeological team in Peru.

This Young Reader edition contains additional material, including introductions to the characters and the inspiration behind the setting.

Softback. 85 pages.

Dimension: 15.5cm x 22.7cm