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. With just paper, pens, and the occasional handful of coins, you and a partner can enjoy hours of fun—and hours of challenge. 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 dozens more. Hardcover, 368 pages.