Bestselling author and worst-drawing artist Ben Orlin expands his oeuvre with this interactive collection of mathematical games. With 70-plus games, each taking a minute to learn and a lifetime to master, this treasure trove will delight, educate, and entertain.From beloved math popularizer Ben Orlin comes a masterfully compiled collection of dozens of playable mathematical games. This ultimate game chest draws on mathematical curios, childhood classics, and soon-to-be classics, each hand-chosen to be (1) fun, (2) thought-provoking, and (3) easy to play. With just paper, pens, and the occasional handful of coins, you and a partner can enjoy hours of fun-and hours of challenge.Orlin''s sly humor, expansive knowledge, and so-bad-they''re-good drawings show us how simple rules summon our best thinking.Games include:* Ultimate Tic-Tac-Toe* Sprouts* Battleship* Quantum Go Fish* Dots and Boxes* Black Hole* Order and Chaos* Sequencium* Paper Boxing* Prophecies* Arpeggios* Banker* Francoprussian Labyrinth* Cats and Dogs* And many more.