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Buy Equatum

‘An ingenious mix of logic and arithmetic.’  Alex Bellos

Be one of the first to buy the first ever book of Equatum puzzles!

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This puzzle book includes:

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  • An introduction to Equatum

  • 100 hand selected & tested puzzles

  • Puzzles ranked from Beginner to Diabolical - you choose your level

  • One puzzle per page, space for your workings

  • All solutions included at the back of the book

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