Two of America’s best known authors about babies are William Sears, MD and his wife, Martha Sears RN. They’ve both a great website, AskDrSears, but are also the authors of over 40 books. If you can’t find what you need to know in their “The Healthy Pregnancy Book: Month by Month, Everything You Need to Know from America’s Baby Experts” book …I’m certain that you’ll find answers in their many other books. Have you seen ” The Baby Book, Revised Edition: Everything You Need to Know About Your Baby from Birth to Age Two?”