J. M. Barrie, Victorian novelist, playwright, and author of Peter Pan or The Boy Who Wouldn't Grow Up, led a life almost as magical and interesting as as his famous creation. Childless in his marriage, Barrie grew close to the five young boys of the Llewelyn Davies family, ultimately becoming their guardian and devoted surrogate father when they were orphaned. Andrew Birkin draws extensively on a vast range of material by and about Barrie, including notebooks, memoirs, and hours of recorded interviews with the family and their circle, to describe Barrie's life and the wonderful...