Paul Williams' personal collection of interesting facts, puzzles and conundrums will fascinate all ages. It is divided into five sections according to the reader's likely ease or familiarity with the concepts and processes involved - from easy through moderate and tricky to difficult and fiendish.

'With Yet More Mind-Bending Puzzles and Fascinating Facts' Paul Williams has produced the third volume in his stimulating series. The book is a mine of interesting and surprising information, packed with entertaining snippets and devious brainteasers. The puzzles and facts are presented in sections labelled from Easy to Fiendish, designed to interest and challenge readers of all ages. The author tests his readers mental agility, presenting the curious and the contradictory, and tackling myths and misconceptions. From Pobbles to pub names, from puns to a Polish Christmas, with a sprinkling of poetry, the sections begin with the light-hearted and easy to grasp, then progress to the logic of Lewis Carroll, the philosophy of Wittgenstein, and a selection of mind-bending mathematical proofs.

"STEM, Science Technology Engineering Mathematics."

Did you know that you can measure the height of buildings with your own shadow? Or that when you shuffle a pack of cards, chances are that no other pack of cards has ever been in that order, ever? This highly accessible, dynamic book is packed with fun, unexpected and awesome ideas about maths. It mixes a fresh, modern illustration style with punchy, eye-opening facts and humorous anecdotes about famous mathematicians and their groundbreaking discoveries. Ideal for children aged 8+.

This puzzle book tests and increases your deductive skills figuring out the Frame Games, puzzles that ask you to count lots of trangles inside a larger one, and other types of visual-letter-number mind-benders.