Besides the manuals, you need to read at least one book from each section.
I do understand that you may have read some of these books already for your certification with your birth organization. If you have, you do not need to read that book again.
Parenting from Jail
* The Nurturing Touch at Birth – Paulina Perez
* The Attachment Parenting – Laurel Wilson, Tracy Wilson Peters
Pregnancy, Childbirth & the Newborn – Simkin, Whalley, Kepler
A Good Birth, A Safe Birth
The Ultimate Breastfeeding Book of Answers – Dr. Jack Newman & Teresa Pitman
Special Needs You Will See Often
* When Hello Means Goodbye – Kirk & Schweibert
*This book is required reading