Product name: Puzzle break - focus. Over 300 puzzles for concentration, clear thinking and the ability to combine Your personal brain training for more concentration in everyday life! This book contains over 300 puzzles to help you relax and focus in a world full of distractions. So mute your cell phone and find a quiet spot: Here you train concentration and combination skills and at the same time you feel more relaxed and relaxed after each of these exercises. On each page, you will not only find a puzzle, but also space for a test run or your ideas for solutions. So sharpen your pencil, open a page and look forward to a relaxing yet stimulating change of pace. From the successful puzzle book series by bestselling author Dr. Gareth Moore Format: special format