Don’t know what to do with a Sudoku? Let academic Catherine Shaw guide you through the intricacies of the international puzzle craze, unlocking the logic behind ‘magic squares’ and helping you on the way to success. Far from being your average puzzle book, Shaw not only aims at initiating readers into the world of Sudoku and its cousin Kakuro, she also charts the history of the world’s fascination with the devilishly hard squares.