Summer of Hope is about a girl named Callie. She had a twin brother who died. Her mom and dad bring her to their summer cabin. It's one of the places she loved to go with her brother. She has a lot of friends there, but the one person she spends the most time with is Ethan. They have a lot of fun together, but then they get into a fight and don't see each other as often, but then something terrible happens to Callie. And what happened to Callie's brother? Read this exciting book to find out.