From the Guardian's very own puzzle master, Puzzle Ninja is a new collection following the bestselling Can You Solve My Problems?The puzzle masters of Japan create the world's most satisfying puzzles.
An ingenious coloring book that reveals math’s hidden beauty—and contemplative power—as never before
Are you smarter than a Singaporean ten-year-old?Can you beat Sherlock Holmes?If you think the answer is yes - I challenge you to solve my problems.
50 True Stories of Incredible Success. Discover the incredible true stories behind the most famous clubs in football.