“Crocheting Adventures with Hyperbolic Planes”
This year’s Diagram Prize for oddest book title goes to Crocheting Adventures with Hyperbolic Planes, by mathematician Daina Taimina.
A hyberbolic plane is a “two-dimensional quadratic space with a non-singular isotropic quadratic form”. Uh, this:

Crochet model of hyperbolic plane by Daina Taimina
Visit Daina Taimina online.















