Twelve-year-old twins Eric and Susan are off on a wild adventure with Aunt Sally and Uncle Merle in Summer of the Sharks. When Aunt Sally is asked to conduct a reef study on the remote island of Eleuthera, Bahamas, she invites the twins to join her. Susan is excited. She can’t wait to discover new creatures under the sea. Eric, her twin brother, must overcome his fears of the deep and learn to trust God to take care of him.Will Eric and Susan be able to meet the challenges on Eleuthera?