Tintin - The Seven Crystal Balls, written by Hergé, is one of the most popular of all Tintin adventures amongst the avid fans of Hergé?s characters. The highlights of the book are, a very gripping with a plausible story line along and a fair amount of mystery. Tintin arrives with his ever faithful Snowy to visit Captain Haddock at his residence Marlinspike, and enroute happens to read a news article about the excavation of the Inca burial ground by some explorers and archaeologists. He arrives at the Captain?s house only to find out that one of the team members is a Professor Tarragon, who happens to be a friend of Professor Calculus, and he requests the hero?s help to solve the mystery behind the unknown illness afflicting the expedition members one by one. It is a hilarious adventure with mummies and mysterious happenings and the usual motley crowd.