Gail Caldwell, a Texas transplant in Boston, was happy with her life. In her early 40s, Caldwell kept busy by writing book reviews and training a new dog -- she wasn't really looking for friendship.

A memoir of Gail Caldwell’s friendship with Caroline Knapp, and an anguished chronicle of Knapp’s death from cancer. By Julie Myerson Jillian Dunham reviews book Appetites: Why Women Want by Caroline ...