Title: Monsters below
Description: "Ten-year-old Jock Avery and his two new friends have a noisy mystery to solve in their lakeside neighborhood. An unusual screeching sound has everyone on pins and needles, except for sinister Mr. Harrison. Some say the noise is made by a lake monster, but Jock is not convinced. Can he and his friends find the answer before trouble finds them?"--Page 4 of cover.
Subjects: Sailing, Juvenile fiction, Monsters