Young Cam Jansen and the knock knock mystery

By David A. Adler

Subjects: JUVENILE FICTION / Reader - Beginner, Mystery and detective stories, Grandparents, Memory, Jansen, cam (fictitious character), fiction, JUVENILE FICTION / Family / Multigenerational, Cam Jansen (Fictitious character), Fiction, Children's fiction, Readers (Primary), Grandparents, fiction, Juvenile fiction, JUVENILE FICTION / Mysteries & Detective Stories

Description: 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.