Title: Another Fine Math You've Got Me Into
Author: Ian Stewart.
Short Description: Mathematical puzzle columns, (originally for the French version of Scientific American) some of which introduce interesting concepts from higher mathematics. Ian Stewart has written a lot in this vein (as have others, e.g. Martin Gardner), but this book is my favorite and is one of the mathematically meatiest of them (in my opinion).
I'd say this is a ++.

