The Calculus Affair (The Adventures of Tintin)
Little, Brown Books for Young Readers, September 1976. Trade Paperback. Item #1363
ISBN: 0316358479
New.
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.
Price: $13.99