Test your powers of deduction on 43 phony alibis, baffling clues, bits and pieces of evidence. Decipher codes as you match wits with such great detectives as Will Ketchum and Donna DiAnsa, as well as
One of the first Usborne books to be published, in 1975, and Peter Usborne's all-time favourite. As used in evidence at the high court trial of Soviet spy Oleg Gordievsky, who testified that this book
