Ryan Zinna - Baby Ryan - has written four ABDL books to date, and now you can find them all in one volume. This book contains:From Humiliation to LoveTula's ThesisBaby Paola's New Baby SisterThe Return of Mommy Laura's Babies

Julie and David are now lifestyle adult babies for Vanessa and Laura. This book follows on from Ryan's previous books.The two college students have failed to be fully adult and are now regressing back to infancy, diapers and all.