Atheneum Books, Hardcover, 9781416924401, 32pp.
Publication Date: December 26, 2007
Sock and Mitten are both lost singles in a city full of pairs. Mitten is a left without her right. Sock is neither left nor right, but he knows how she feels. They set off on an adventure to find their other halves. But what they find instead is something much, much better: each other.