Synopses & Reviews
Cam, her best friend Eric, and Erics mom are spending the day with Erics grandparents. But Grandpa and Grandma seem too tired to visit. Every so often, a knock at the door wakes them up. But when they go to answer, no one is there. Is a Knock, Knock Ghost on the loose? Its up to Cam to solve the mystery!
Review
PRAISE FOR YOUNG CAM JANSEN AND THE KNOCK-KNOCK MYSTERY: "The stories in the this series promote logical thinking and helpfulness for young readers beginning to enjoy simple transitional chapter books." —School Library Journal
About the Author
David A. Adler is the author of over two hundred children's books. He lives in Woodmere, New York.
Susanna Natti also illustrates the Lionel series by Stephen Krensky. She lives in Bedford, Massachusetts.