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HARPERCOLLINS
Publishing great authors since 1817, HarperCollins is the second-largest consumer book publisher in the world. With 200 years of history and more than 120 branded imprints around the world with strengths in literary and commercial fiction, business books, children’s books, cookbooks, and mystery, romance, reference, religious, and spiritual books, HarperCollins publishes approximately 10,000 new books every year.
USBORNE
Usborne is one of the world’s leading independent book publishers. We are proud to be a family business that aims to create brilliant books for children of all ages.
Shop Brand CatalogHave you ever wanted to be a puzzle pro or logical luminary? Well, look no further! The perfect way to liven up your day, The Ultimate Mathematical Challenge has over 365 puzzles to test your wits and excite your mind. From starter puzzles to perplexing Olympiad problems designed to stretch even the strongest mathematicians, this book is the ideal forum to get your brain into gear and feed it with the challenges it craves. Specially curated from the UK Mathematics Trust’s catalogue of puzzles, most of these problems can be tackled using no more than a little numerical knowledge, logical thinking and native wit. Including interludes of crossnumber conundrums and shuttle challenges, space for your working out and a handy glossary for those obscure mathematical terms, this book has everything you need to solve captivating problems all year round. Do you have what it takes to conquer The Ultimate Mathematical Challenge?
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