A trip to the library is about to turn into a real-life puzzle! Cam Jansen, her father, and her best friend Eric are excited to check out some great books. Cam even finds a thrilling mystery to read. But before she can open the first page, she realizes she has a real mystery to solve right there in the library! Her father's important shopping list has completely vanished. Without it, they will not know what to buy at the store. It is time for Cam to use her amazing investigative skills. With a quick click she puts her famous photographic memory into action. Where was the list seen last, and where could it possibly be hiding among the tall bookshelves? Perfect for early readers, this fun and fast-paced mini-mystery proves that you do not need to look far to find an exciting adventure!