This book is part of a book series called Optical Illusions .

There are 96 pages in this book. This book was published 2014 by Parragon .

Dr Gareth Moore is truly a puzzle expert - he's the author of over 75 best-selling international puzzle and brain-training books for kids and adults. He is also the creator of online brain-training site www. brainedup. com, and runs the daily puzzle website www. puzzlemix. com.