Newbery Medalist Cynthia Rylant brings the peaceful sounds, sights, and characters of the coast vividly to life in the fourth book of the Lighthouse Family series, in which the family rescues a trapped turtle.

A thick fog has found its way up north to the lighthouse family, surrounding the cliffs and waters below. Always ready to lend a hand, the lighthouse siblings Whistler and Lila help Seabold guide small ships to land. As they overlook the foggy waters, they hear a distant voice echoing from the rocks below. Who could it be?

Using only a rope and their hearts to guide them, Seabold, Lila, and Whistler make their way down the side of the cliff. And what they discover will help them weather even the thickest fog?a new friend.