Condition: New,UPC: 9780142422250,Publication Date: Mon, June 1, 2015,Type: Paperback ,
description
s mom are spending the day with Eric's 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? It's up to Cam to solve the mystery! Garden State Children's Book Award 2017 Nominee.