Young Cam Jansen and the knock knock mystery
Eric's Grandma Minnie and Grandpa Max keep hearing someone knock at their door, night and day, but find no one there, so Cam tries to solve the mystery using her amazing memory.
|Main Author:||Adler, David A.|
Penguin Young Readers, an imprint of Penguin Group USA
Penguin young readers. Level 3, transitional reader