Book excerpt: Penny Barber has put her years of experience as a diaper fetish model, AB/DL switch, and professional Mommy into The Age Play and Diaper Fetish Handbook: The Ultimate Guide to the World of AB/DL. It is the first complete resource for anyone who wants to know about the world of age players and diaper lovers. Perfect for professional players, the partners of AB/DLs, and AB/DLs themselves, The Handbook is packed with practical tips on everything from choosing the perfect diaper to administering AB/DL punishments to the best regression methods.