The sixth of eight volumes containing Herge's best loved adventure stories, with three thrilling mysteries:

Destination Moon
Tintin and Captain Haddock are amazed to find that Professor Calculus is planning a top-secret project from the Sprodj Atomic Research Centre in Syldavia. And before our intrepid hero knows it, the next stop on this adventure is ... space.

Explorers on the Moon
Following on from the events of Destination Moon, Tintin finds himself in a rocket on a collision course with the moon. And with Snowy the dog, Captain Haddock, Professor Calculus and the Thompson twins aboard, things quickly spiral further and further out of control.

The Calculus Affair
Windows, mirrors and chandeliers are spontaneously shattering and Tintin is left flummoxed. After a shooting and a break-in, Tintin knows Calculus is in danger, but he has only one clue - an unusual packet of cigarettes. He has a mystery to solve. But can he do it before a terrible weapon falls into the wrong hands?