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'The variety of all things forms a pleasure.' - Euripides The benefits of puzzling are well known. Focussing on an abstract problem quietens a busy mind and keeps the grey matter firing, so our wits remain quick and our memories strong. Enjoy the variety presented here, with 150 mixed puzzles that will test your mathematical mind, general knowledge, visual and problem-solving skills. Set aside five to ten minutes to yourself each day to sit down, pick-a-puzzle, and reap the benefits of this simple mindful activity. Collect them All!