EASY READERS
Adler, David A.

Young Cam Jansen and the Knock, Knock Mystery

(3) K-3 Penguin Young Readers series. Illustrated by Susanna Natti. Cam and best friend Eric visit Eric's grandparents, but Grandma and Grandpa are too tired to do anything--someone (or something) keeps knocking on their door and waking them up. Cam and Eric solve the mystery through their powers of observation. Simple language and sentence structure make this book accessible for beginning readers and may help lead them into the chapter books about these kids.

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