"for anyone who wants to be a good spy, this is the book for you. It reveals all the tricks and skills you will need: how to follow enemy spies without them knowing, how to write secret messages and hoe to disguise your self at the drop of a hat. This book should be kept near you at all times, so you can check your codes and essages - and keep your secrets out of the hands of the enemy" (publisher).
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 law enforcement officers like Luke Sharp, Hans Zupp and Carla Kopp. For many of the puzzles youll find extra hints and clues to help you along, if you need them! "A clever presentation of entertaining puzzles...."--Mathematics Teaching in the Middle School. 128 pages, 25 b/w illus., 5 3/8 x 8 1/4.