Cathy Glass is a bestselling British author, freelance writer and foster carer. Her work is strongly identified with both the True Life Stories and Inspirational Memoirs genres, and she has also written a parenting guide to bringing up children, Happy Kids, and a novel, The Girl in the Mirror, based on a true story. Glass has worked as a foster career for more than 20 years, during which time she has fostered more than 50 children. Her fostering memoirs tell the stories of some of the children who came in to her care, many of whom had suffered abuse. The first title, Damaged, was number 1 in the Sunday Times bestsellers charts in hardback and paperback. Her next three titles, Hidden, Cut and The Saddest Girl in the World, were similarly successful, all reaching the bestseller charts. The name "Cathy Glass" is a pseudonym for author Lisa Stone.