Emily Windsnap and the Ship of Lost Souls

"A field trip to a mysterious island quickly turns into an adventure when Emily Windsnap and Aaron discover a secret lookout point from which they spot a ghostly ship that no one else seems to be able to see. The ship appears and disappears only at certain times of day, growing fainter each time. Searching for answers only leads to more questions until Emily and her friends confront the island's keeper, uncovering the incredible story of a ship caught between land and sea, day and night, life and death"--Amazon.com.