The Line Tender by Kate Allen. Twelve-year-old Lucy Everhart's mother was a marine biologist studying great white sharks when she died. When a shark turns up in Lucy's seaside Massachusetts town, Lucy and her best friend Fred begin the field guide they had always meant to finish — and Lucy finds herself picking up her mother's unfinished research.

A middle-grade novel about grief, friendship and the pull of the sea. Suggested ages 10–13. Please note a death occurs in the story.