Professor Calculus' dreams of ending world hunger are brought one step closer by the creation of a desert-proof orange, deep blue in colour. But it seems he's not the only one interested in this magnificent scientific discovery. When the strange blue orange - invented by Spanish Professor Zalamandea - is stolen, Tintin, Captain Haddock, Calculus and Snowy the dog make for Spain to investigate. Jean-Pierre Talbot, a life-long friend of Tintin creator Herg
