The Puzzle Ninja: Alex Bellos - Tapa blanda

Yesterday: Sudoku. Today: Slitherlink. Tomorrow: The Riemann Hypothesis. Bellos’ addictive Ninja Puzzles are your passport to becoming a mathematical samurai. (Marcus du Sautoy, Professor of Mathematics at Oxford University and author of What We Cannot Know.)

Joyful ... Gleeful. (Simon Singh on Can You Solve My Problems?)

Great fun. You can’t beat a good puzzle – but a lot of these beat me. Complied with a collector’s knowledge and a fan’s enthusiasm. (Charlie Higson on Can You Solve My Problems?)

A delightful book, filled with the perfect selection of puzzles. Alex Bellos is a wizard. (Tim Harford on Can You Solve My Problems?)

There’s something immensely satisfying about solving a puzzle, especially when they’re as fiendish as those in Alex Bellos’ [Puzzle Ninja]. Pit your wits against over 200 challenges from the puzzle masters of Japan, with the 20+ different formats including the fabulously named Shakashaka and the mind-melting Ren-Katsu. What’s more, there’s not a Sudoku in sight. (BBC Focus Magazine)

‘As for puzzles, quizzes and games, you might have thought it would have been impossible to top The Monkman and Seagull Quiz Book (Eyewear), by the two blokes off University Challenge, but Alex Bellos’s Puzzle Ninja (Guardian Faber) gives them a run for their money, introducing Sudoku fans to other Japanese puzzle delights.’ (Ian Sansom Guardian Stocking Fillers)

The best puzzle book is Alex Bellos’s Puzzle Ninja, which is both a fascinating overview of the Japanese puzzle scene and a collection of 100 glorious puzzles of the Sudoku-Kakoru-Futoshiki variety. (Spectator)

‘Introduc[es] Sudoku fans to other Japanese puzzle delights.’ (Guardian)

‘Bellos has been on a journey of enlightenment to Tokyo, the puzzle capital of the world, and brought back fixes more potent than Sudoku... A fun and infuriating book.’ (New Scientist)

Alex Bellos is brilliant on all things mathematical. He has a degree in Mathematics and Philosophy from Oxford. His bestselling, award-winning books Alex's Adventures in Numberland, Alex Through the Looking-Glass and Can You Solve My Problems? have won awards and been translated into more than 20 languages. He is the co-author of two mathematical colouring books and the children's series Football School. His YouTube videos have been seen by more than 20 million people. He writes a popular maths blog and a puzzle blog for the Guardian.