This is a wonderful, softcover book by James M. Barrie expert, Andrew Birkin. The title of the book is, "J.M. Barrie and the Lost Boys: The real story behind Peter Pan." Mr. Birkin generously gave the copyright of this book to Great Ormond Street Hospital. The book was first published in l979 but this softcover printing was in 2005 by Yale University Press. The softcover copyright was 2003. The book is 300 pages long (actual text) and is in mint condtion.
As quoted from the backcover of the book:
"Andrew Birkin draws extensively on a vast range of material by and about Barrie, including notebooks, memoirs, and hours of recorded interviews with the Llewelyn Davies family and their circle, to describe Barrie's life and the wonderful world he created for the boys."
If you are as fascinated by James M. Barrie as I am, you will want to read this book!