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David Singmaster: Problems for metagrobologists (2015, World Scientific)
Bernardo Recaman: Bogota Puzzles (2020, Dover Publications, Incorporated)
Pierre Berloquin: 100 games of logic (1995, Barnes & Noble)
Ed Southall, Vincent Pantaloni: Geometry Snacks, Ages 8-18 (2018, Tarquin Publications)
Alex Bellos: Puzzle Ninja (Paperback, Guardian Faber Publishing, PENGUIN RANDOM HOUSE)
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