Cranium crunchers - Gareth Moore

The book contains 96 puzzle-packed pages. It is split into three levels of difficulty, called Super Brain, Mega Mind and Ultra Genius. The levels get considerably harder as the book progresses and as kids improve their puzzle skills. The variety of different types of challenges - numerical, logical and word - will test all areas of puzzle solving. All the answers can be found at the back of the book. Kids will have fun putting their brain to the test and seeing how many puzzles they can work out correctly.

Dr Gareth Moore is the author of a wide range of brain-training and puzzle books for both children and adults, including Brain Games for Clever Kids, The Rough Guide Book of Brain Training and The Mammoth Book of Brain Games. He is also the creator of online brain training site Brained Up (www.brainedup.com) and runs the puzzle website www.puzzlemix.com. He gained his Ph.D. from Cambridge University (UK) in the field of Machine Intelligence, and has worked for various leading technology companies.