The Secret of the Old Lighthouse is a captivating adventure for ages 9–12 that follows Emma, Noah, and Lily as they unravel the mystery of an abandoned lighthouse. Filled with hidden tunnels, secret maps, seaside puzzles, and surprising discoveries, this exciting story celebrates courage, friendship, curiosity, and the importance of preserving history. Perfect for young readers who love mystery, adventure, teamwork, and unforgettable journeys with meaningful life lessons.