Do you have the skills to solve the super-smart puzzles in this fast-paced; fun-packed book? It's just bursting with entertaining activities that will put your maths and logic skills to the test. The ingenious puzzles range from classic riddles and code-cracking games to clever Japanese puzzles. This is an ideal book for long journeys; vacations; and rainy days. A brilliant blend of education and entertainment for smart kids aged 7+. This book will stretch kids' logic; computation; reasoning; and problem-solving skills; all while providing hours of entertainment