"Ten-year-old Julia loves the mysteries of the ocean and marine biology, just like her scientist mother. Her family is spending the summer on a remote island where her mom is searching for the elusive Greenland shark . . Determined to prove that the shark is real, Julia sets off on a quest to find it herself, armed with a set of coordinates, a compass, and her trusty rain jacket. She soon realizes that there are some journeys you shouldn't go on alone. As Julia comes face to face with the dark and wondrous truths of the sea, she finds the strength to leave the shark in the depths and kick up towards the light"--Provided by publisher.