Math books...but not the kind you think

This image doesn't look like it would adorn the cover of a math book, but in fact illustrates Amazing Logic Puzzles (793.73 W679a) by Norman D. Willis. Intrepid Rif Raf book club members have selected "Math books...but not the kind you think" as this week's topic. And what an assortment we have on display! Titles like Slicing Pizzas, Racing Turtles, and Further Adventures in Applied Mathematics; The Joy of Pi; and Flatland: A Romance of Many Dimensions. We've also pulled books about art, music, sports, etc. that feature some math principle or other. For example, this sample from Pathways in Juggling (793.87 Ir8p) by Robert Irving and Mike Martins is chock full of math vocabulary. Lovely words like "columns," "vertically," and "parallel" all describe this move called the "Multiplex":