1This 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?