The first book in Lois Lowry's well-loved, hilarious series about family, school, and growing up. To Anastasia Krupnik, being 10 is very confusing. For one thing, she has an awful teacher. Then, her parents announce they're going to have a baby--at their age. Anastasia knows that if she didn't have her secret notebook to write in, she would never make it to her 11th birthday.