Unusual puzzles take difficulty to new heights, asking puzzlers of all skill levels to flex their mental muscles and give their grey matter a workout. This newest addition to the Train Your Brain collection includes more than 150 unique visual puzzles in a variety of styles that will stretch, engage, and entertain. These puzzles go beyond your average word search or crossword and include brainteasers, binarios, golf mazes, letter blocks, anagrams, word pyramids, connects, doodle puzzles, sudoku, and more. PeterFrank was founded in 2000 by Peter De Schepper and Frank Coussement. Their internationally registered trademark, BrainSnack, stands for challenging, language-independent, logical puzzles and mind games for kids, teens, and adults. Between them, Peter and Frank boast more than 20 years of experience in publishing management, art/design and software development for newspapers, consumer magazines, and new media.