This book has saved me from annoying my doctor every few days. It is not a subsitute for regular doctor visits but is helpful for first time Moms and Dads. My husband and I refer to it often for information and opinions. It has milestones listed each month as well as what to expect at the doctors office. But, as it says in the book, remember that it is just a guideline for normal children. My son is doing well and I like being able to compare him to the milestones listed for each month. THere is a great guide to illness so you can compare symptoms that your child is having so you have an idea what is wrong. There are a lot of refer to your doctor, but with such a young precious child it is better to be safe than sorry. I love this book.