The Puzzler's Dilemma
From the Lighthouse of Alexandria to Monty Hall, a Fresh Look at Classic Conundrums of Logic, Mathematics, and Life
‘A man is found hanging in a locked room with no furniture and a puddle of water under his feet. What happened?’ From ancient Greek paradoxes to the role of probability in television game shows (via the Rubik’s Cube, chess problems and crosswords) this entertaining book illustrates eleven classic types of logic puzzle, tells the stories behind their creation and shows how to go about solving them.
National Birds of the World
From Angola's Red-Crested Turaco to Zimbabwe's African Fish-Eagle, more than 90 avian species have been adopted as official symbols of national identity. Each bird is pictured and described in this comprehensive guide, which features data such as size, diet and habitat alongside an explanation of reasons for the bird's use as a national emblem, information on its conservation status and examples of its prevalence in the stamps, coats of arms and wider culture of its country. Foreword by Chris Packham.
The I Used to Know That Maths Activity Book
Stuff You Forgot From School
This elementary refresher course, aimed at adults wishing to revive their maths skills, explains the key concepts of arithmetic, fractions, probability, statistics, algebra, geometry and trigonometry. Simple step-by-step quizzes on each subject (100 in total) include straightforward calculations, equation solving and multiple-choice questions. There are also a few shapes to draw. Answers are provided at the back.