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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. Each has a distinctive style but what unites them is their megawatt brains and the beauty of their hand-crafted puzzles, which will challenge and sharpen the mind. Alex Bellos has collected over 200 of their most ingenious puzzles, rated easy to excruciating, and introduces over twenty new types of addictive problems to solve.

Can you beat the puzzle masters to become a puzzle ninja?

Puzzle Ninja: Pit Your Wits Against The Japanese Puzzle Masters