During the 100th birthday celebration of Emerald Cove, 12-year-olds Dave, Freddy and Jonathan stumble upon clues that raise some puzzling questions about the strange disappearance of the lig... Read allDuring the 100th birthday celebration of Emerald Cove, 12-year-olds Dave, Freddy and Jonathan stumble upon clues that raise some puzzling questions about the strange disappearance of the lighthouse keeper 30 years ago.During the 100th birthday celebration of Emerald Cove, 12-year-olds Dave, Freddy and Jonathan stumble upon clues that raise some puzzling questions about the strange disappearance of the lighthouse keeper 30 years ago.