Download or read book The Secrets of Sums written by Kjartan Poskitt and published by . This book was released on 2014-08-07 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Full of facts, tricks and tips to help children discover why numbers are nifty and arithmetic is amazing. Children can learn all about prime suspects, diabolical division, sneaky signs and much more with simple explanations and hilarious characters to guide them through.