Number Devil: A Mathematical Adventure - Tapa blanda

"'Enzensberger has made Pythagoras the new Harry Potter...explaining mathematical concepts in a clear and highly original way' Sunday Business Post 'Hopefully, Mr Enzensberger's enterprising and imaginative book will play its part in rescuing some of Britain's children from a lifetime phobia of maths' Daily Mail 'Children old enough to have encountered fractions and square roots will be fascinated by this book, as will their parents' Sunday Times 'More attractive than a textbook, an adult and child could work through this together' The Irish Times"

Twelve-year-old Robert hates his maths teacher. He sets his class boring problems and won't let them use their calculators. Then in his dreams Robert meets the Number Devil who brings the subject magically to life, illustrating with wit and charm a world in, which numbers can amaze and fascinate, where maths is nothing like the dreary, difficult process that so many of us dread. "The Number Devil" knows how to make maths devilishly simple.