Get ready to crack a shiny new case with the girl who never forgets a clue! Cam Jansen has an amazing photographic memory, and she uses it to solve the trickiest puzzles around. When her important science fair project suddenly goes missing, Cam knows she has to find it fast. But as she searches for her lost project, she accidentally stumbles upon something even more surprising: two highly valuable gold coins! Where did these mysterious coins come from, and who do they really belong to? What started as a simple search for schoolwork quickly turns into a thrilling treasure hunt. With a quick click of her mind, Cam gathers the clues and sets out to uncover the truth. Perfect for young readers making the leap to chapter books, this fast-paced adventure is packed with suspense, smart thinking, and a spunky heroine you will love cheering for!