Claudia And The Lighthouse Ghost (The Baby-Sitters Club Mystery #27) (The Baby-Sitters Club Mysteries)

When the Hatts, a family that disappeared years earlier under mysterious circumstances from the old Stoneybrook lighthouse, suddenly return and move in with the Kishis, Claudia wonders what secret they are keeping. Claudia's friends think that someone or something wants them to leave town when the lighthouse they own becomes the site of some spooky occurrences