Isabell's Activity Book - Prijzen

Logic Grid Puzzles

Long before Sudoku hit the scene, there were Logic Grid Puzzles. Developed by Lewis Carroll, these logic puzzles rely on deducing a complex solution from only a few pieces of information. (Who knew th...

Supreme Spot the Difference Book for Adults

Mind-Bending Classic Logic Puzzles

These little books are crammed with a wide range of thought-provoking posers, engaging problems and perplexing puzzles, some requiring only a small leap of perception, others deep and detailed thought...

10-Minute Brain Games

A brain-teasing collection of mental workouts, designed to be solved in 10 minutes. Puzzlers of all skill levels: challenge yourself to tests of logic and reasoning!Combining tried-and-tested logic an...