Active Birth by Janet Balaskas, McGraw Hill, 1983

Balaskas is the founder of the Active Birth Centre in England and is also a birth activist there. Her book encourages women to use exercise and movement throughout pregnancy in order to prepare the body for the active work of giving birth.

Eat Well, Lose Weight While Breastfeeding by Eileen Behan, Villard Books, 1992

While breastfeeding does promote weight loss, the balance between keeping your baby well fed and losing weight can be a difficult one to maintain. Here's a different approach to the age-old question of how do you lose weight after pregnancy?

Essential Exercises for the Childbearing Year by Elizabeth Noble, New Life Images, 4th Edition, 2003

Ms. Noble is a physical therapist and the movement of the body is her specialty. She focuses on pregnancy fitness and how to stay healthy and fit while living a normal life during pregnancy. The book also includes information on proper body alignment and dealing with everyday questions like how to pick up older children and other posture questions.

Exercising Through Your Pregnancy by Dr. James Clapp III, Addicus Books, 1st Edition, 2002

Dr. Clapp is a leading researcher on pregnancy exercise and fitness. His work has won awards for the advances in maternal fitness. This book emphasizes the science behind the approval for exercising throughout pregnancy, including addressing tough issues like the serious athlete and exercise during pregnancy.

From Baby to Bikini by Greg Waggoner, Warner Books, 1999

A personal trainer shares his ideas on getting rid of the post-baby flab. From exercise to nutrition, Mr. Waggoner shares his personal philosophy of fitness after your baby arrives.

The Pilates Pregnancy by Mari Winsor, Perseus Publishing, 2001

This book is a very concise book of Pilates exercises for each trimester, including photos.

The Pregnancy Exercise Book by Judy Di Fiori, Harper Resource, Spiral Edition, 2000

This spiral-bound book is a great view of exercises for each trimester. The photos are clear and the text succinct. The binding makes it easy to prop up while you work out.