Cam Jansen is a fictional character from a popular children's book series created by author David A. Adler. She is a young girl with a remarkable photographic memory, which allows her to recall details and solve mysteries. The series follows her adventures as she uses her unique ability to help her friends and family. The books are aimed at early readers and often include illustrations to engage young audiences. Each story typically involves a mystery that Cam and her friends, including Eric, work together to solve. The series promotes critical thinking and problem-solving skills in a fun and entertaining way.