Uncrackable codes and secret cyphers that helped win wars, spark revolutions and change the faces of nations, rediscovered and explored in the newest book by the bestselling author and historian, Sinclair McKay.
Teaches how to play Texas Hold 'Em Poker for beginners. This title contains terms, definitions, etiquette and rules and shows how poker hands are ranked. It helps you to understand your chances, appreciate the percentages, and master the odds so that your hand improves.
With the aim of testing - and training - all aspects of the problem-solving areas of your brain, this title includes over 200 formidable puzzles to get your brain into gear.
The All-Round Activity Book is a unique book all about dots: Part puzzle book with colouring elements, part creativity book with optical illusions, the one uniting factor is the simple dot, be it in the form of dot-colouring, joining the dots, circular puzzles or dot-based illusions.
A bumper book of puzzles and indoor games suitable for ages 12 to 120 to enjoy together - banish boredom, give brains a workout and entertain the whole family.
This book guides you through eight chapters, each focussed on a different aspect of your brain's ability to concentrate, from creativity and problem-solving to lateral and logical thinking, including 200 puzzles and exercises.
This book guides you through eight chapters, each focussed on your memory, how it works, and how you can both maintain and improve it, including 200 puzzles and exercises.