Frankly I'd suggest ignoring all the books as much as possible. Collectively they should all be called "What to be Paranoid about when you're not Paranoid enough." Seriously, every book tells you something different, and no matter which book you read... you're doing something "Wrong." You're smart, intelligent, if tired, people, go with your gut and what you can make work. Failing that rely on your various and sundry medical professionals. At least for us we've found our pediatrician has all sorts of good advice on getting the little one to cooperate with us a bit more than he was. Either that or he has learned to adjust to us as much as we've learned to adjust to him.

The books may be good for straight medical advice, but beyond that frankly they're paperweights.