Mensa's Most Difficult Geometric Puzzles

Graham Jones is a leading internet psychologist, and has spent the past 15 years analyzing how consumer behavior has adapted to the web. An Associate Lecturer in Psychology at the Open University, and a visiting Lecturer in eCommerce at the University of Buckingham, Graham is also a successful conference speaker and consultant, and has worked with dozens of businesses around the world, helping them to connect with their customers online, boost brands, profit and sales.