The Baby Book: Everything You Need to Know About Your Baby from Birth to Age Two
by William Sears (Dr. Sears), Martha Sears, Robert Sears, and James Sears
One of my two fave parenting books. The other one is What Your Doctor May Not Tell You About Children's Vaccinations by Stephanie Cave and Deborah Mitchell
 - Robyn, mother of a 3-month-old

The Happiest Baby on the Block: The New Way to Calm Crying and Help Your Newborn Baby Sleep Longer
by Harvey Karp
This is the best parenting book I have read so far. My friend had a colicky baby and her Doctor recommended she read this book, I bought it before my baby was born, and follow the tips in the book.  I have no problem getting my baby to stop crying and sleep through the night.
 - Jessica

I have a 3-month old. Changed our lives!!!
 - Heather

My favorite parenting book
 - Regan

Touchpoints - Birth to 3
by T. Berry Brazelton
Everyone should read Brazelton's Touchpoints. Too bad all pediatricians can't be like him. 
 - Mary, mother of four, ages 18years, 10years, 21 months, 10 days.

The Baby Whisperer Solves All Your Problems: Sleeping, Feeding, and Behavior--Beyond the Basics from Infancy Through Toddlerhood
by Tracy Hogg and Melinda Blau
I swear by the tips in The Baby Whisperer. It gave me an easy to follow routine for Riley, my 6-month old. I never had to "sleep train" him - the advice in the book on Eating, Activity, and Sleep helped him get in a good habit; no crying it out! Her advice is amazing!
 - Katy

Secrets of the Baby Whisperer: How to Calm, Connect, and Communicate with Your Baby
by Tracy Hogg and Melinda Blau
I have been reading Secrets of the Baby Whisperer and even though it's my 4th child, I'm picking up many great tips that is making child #4 easier to raise than the other three because I can read him better.
 - Dawn 

Healthy Sleep Habits, Healthy Child
By Dr. Marc Weissbluth
I LOVE 'Healthy Sleep Habits, Healthy Child.' Dr. Marc Weissbluth offers some excellent strategies and tips to help establish good sleep routines, and I credit him with restoring a big chunk of sanity to my life!  My sister-in-law recommended it to me, and I, in turn, have recommended it to all my mommy friends.
 - Korisa, mother of Alex, 6 months

To Train Up a Child
by Michael and Debie Pearl
I just had my fifth child and this book is a life saver! If you truly want to be a good mother, you will read this book.
 - Samantha

Hello, My Name Is Mommy: The Dysfunctional Girl's Guide to Having, Loving (and Hopefully Not Screwing Up) a Baby 
by Sheri Lynch
It was so funny. Hilarious and a much bigger help than What to Expect When You're Expecting (and way more upbeat!!!).
 - Tina

On Becoming Baby Wise: The Classic Sleep Reference Guide Used by Over 1,000,000 Parents Worldwide
by Gary Ezzo, MA and Robert Bucknam, MD
Here is my miracle working favorite book of them all when it comes to parenting: "On Becoming Baby Wise." The first book will have your little one sleeping through the night anywhere from 6-8 weeks old! Then there is Babywise II, and another book for your toddler, preschool age, child, preteen, and teen. These books will help you parent through each stage in your child's life. They are absolutely wonderful and informative.
 - Monique D