More challenging and more addictive than Su Doku, Kakuro is the new puzzle craze to spellbind the nation. Kakuro has already become more popular than Su Doku in Japan, delighting millions with its belnd of total simplicity and devilish compexity. Now the UK has the chance to become hooked on Kakuro. The rules are simple. Fill the aquares using the numbers 1 to 9, making sure that they add up to the number attached to its row without repeating a number. In this bumper book of all new Kakuro, there are 100 puzzles divided into three difficulty ratings - including some friendishly difficult ones.