Back in California for the surfing competition, Dawn must soon solve a mystery involving a missing surfer, a mangled surfboard, and a ghost who surfs at night. Ann M. Martin is the creator of The Baby-sitters Club, which has more than 190 million books in print, making it one of the most popular series in the history of publishing. Her novels include A Corner of the Universe (a Newbery Honor Book), Belle Teal, Here Today, A Dog's Life, On Christmas...