Karen's Book is the 100th book in the Baby-Sitters Little Sister series.
Back Cover SummaryEdit
Everybody in the big house is busy. And Karen is b-o-r-e-d. She tries to read a book. But then she has a better idea! She will write her own book! It will be about her life. She does not remember everything about being little.
So she talks with Mommy and Daddy. They tell Karen all the funny things she did. Can Karen write a whole book?