Massive Book of Mensa® PuzzlesAmerican Mensa, David Millar, Fred Coughlin · First published 2024Open the Tome
Mensa® Everyday Challenging Mind GamesFred Coughlin, American Mensa · First published 2022Open the Tome
Mensa® AARP® Challenging Brain TwistersFred Coughlin, American Mensa, AARP · First published 2019Open the Tome