Ultimate Mind Games is a fantastic compendium that includes 400 puzzles to test your mind, set up over four sections so you can choose the puzzle that fits your

Solve logic puzzles AND play sleuth at the same time! This thoroughly unique book--written by the former editor of Games magazine--offers the immersive pleasure

THE ULTIMATE GIFT FOR WANNABE SPIES: AN INTERACTIVE PUZZLE BOOK FROM THE CREATOR OF THE BESTSELLING CULT PHENOMENON, JOURNAL 29! In this brain-bending interacti

It's only logical--boost your brainpower with 150 logic puzzles for adults. It's time to give your mental muscles a real workout! Stuffed full of clever and cun