No mystery is too great for super-sleuth Cam Jansen and her amazing photographic memory! Mysteries follow super-sleuth Cam Jansen everywhere she goes...even to a book signing. Cam is waiting in line for a book "pawtograph" from famous TV dog Poochie when he mysteriously disappears and is replaced with an imposter! Can Cam find the real Poochie?  The Cam Jansen books are perfect for young readers who are making the transition to chapter books, and Cam is a spunky young heroine whom readers have loved for over two decades.