Tintin discovers that one of the last Incan descendants has kidnapped Professor Calculus. Tintin and Captain Haddock follow the kidnapper to Peru, but can they save Calculus? Crafted for younger readers, this edition contains the original Tintin graphic novel plus brand-new content. This new format, crafted specifically for younger readers, features the original Tintin graphic novel plus brand-new content. Go "behind the scenes" with the true story about people, places and antiquities that Herg drew from, filled with fun facts, lots of pictures, and easy-to-read text! In this adventure: Tintin discovers that one of the last Incan descendants has kidnapped his missing friend, Professor Calculus. Tintin and Captain Haddock follow the kidnapper to Peru--can they save Calculus?