A brilliant, new collection of quick brain teasers offering satisfaction in moments! This giant volume offers hundreds of original new puzzles ranging from easy maths and logic problems to word games, sudoku, mazes, and illusions. All the puzzles are easy to understand, straightforward to solve, and designed to offer beneficial mental stimulation, not give you a headache! A handy puzzle collection to keep with you at all times - while travelling, or commuting, or even just standing in a queue.