The Secret of Smuggler's Cove

From the back cover: "The coastal village of Fair Haven needs help. For decades, Fair Haven has relied upon its lighthouse to guide merchant vessels into port. But on a recent stormy night, the lighthouse suddenly failed. The trading ship Nymph's Kiss was dashed on the rocks, and smugglers have already raided the wreck. Somebody has to restore the lighthouse, but the locals are afraid to go near because it shows all the signs of being haunted. Yet there might be more to the story, since there's something living in the sea caves below...