A high-class puzzle book from the bestselling author of Alex's Adventures in Numberland; organised from easy-peasy to ninja level - with stories of puzzle myste

Thought you had it bad? In this book, you will be: Imprisoned by a sadistic logician. Challenged to raise dogs from the dead. Trapped on a burning island. And m

Put your wits—and survival instincts—to the test! Publisher’s Note: Perilous Problems for Puzzle Lovers was previously published in the UK under the title

Business thinking skills that really work Better creative thinking leads to brilliant decision making and successful, innovative solutions to business problems.

"The author makes a compelling case that we often start solving a problem before thinking deeply about whether we are solving the right problem. If you want the