Anyone planning to assist a woman through labour would find Penny Simkin's book, the The Birth Partner 5th Edition : A Complete Guide to Childbirth for Dads, Partners, Doulas, and Other Labor Companions by Penny Simkin - 1 Nov 2018 is very useful. Now in its fifth edition, it is a thoroughly updated resource that is perfect for birth partners, friends, family, and doulas on preparing for labour and providing care postpartum. It details all stages of labour, the pain relief methods, and assisting a woman through a Cesarean. Buy this book now. About the Author: Penny Simkin is a well-known childbirth educator and doula with years of experience. She focused her work on preparing the birth companion to provide helpful support during the birth process.