Patricia Reilly Giff 
Trail of the Screaming Teenager [EPUB ebook] 

A day at the beach turns into another mystery for the Polka Dot Private Eye to solve! Dawn Bosco is excited about her trip to the beach. With her Polka Dot Private Eye box and her grandmother’s Marvelous Metal Finder, it’s going to be a great day! There are teenagers at the beach, too. One of them loses her almost-diamond necklace, and she says it’s been stolen. Can Dawn find the thief, or is the necklace gone forever? This ebook features an illustrated biography of Patricia Reilly Giff including rare photos from the author’s personal collection.