Like adding one + one + one, this collection will increase your numerical smarts and boost your mathematical confidence. Start solving with a series of themed challenges; when you check your answers, you'll find hints, tips, and guidance to help you as you tackle the second group of puzzles. Compare the scores and see how much you've improved!
There is more than one author by this name on Goodreads
Charles Phillips (b. 1962) is an established writer of popular history, a contributor to Cassell's Dictionary of Modern Britain as well as to the Chronicle of Britain and several illustrated stories.
He has a keen interest in the mythology and history of the great Maya and Aztec civilizations and was a key writer on Time Life's Myth and Mankind series. Phillips is a graduate of Oxford University, and holds an MA from the University of Westminster.