The Calculus Affair

Join Tintin and Snowy--the world's greatest adventurers--as they solve thrilling mysteries around the world!

The classic graphic novel. Tintin and Captain Haddock peek in Professor Calculus' laboratory to find a sonic device and a very mysterious-and violent!-stranger. Realizing that Calculus' life is in danger, Tintin and the Captain rush to warn him before it's too late.