At Sixes and Sevens: How to Understand Numbers and Make Maths Easy

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Identifiers
Dimensions / Weight
Key Features
Author Riley, Rachel
Cover Hardback
Imprint HarperCollinsPublishers
Languages English
HarperCollins

HarperCollins Publishers is one of the world's largest publishing companies and is a division of News Corporation. The company was founded in 1817 by William Harper and his brother James Harper. The company published its first book in 1818.