A jar full of toy dinosaurs, a game of musical chairs, and a smudge of chocolate cake. Can Cam Jansen put the clues together to solve a birthday party puzzle?

Cam Jansen can find a mystery anywhere, even in the school lunch room! When Jason opens his lunch box and finds only cookie crumbs, Cam's amazing memory clicks into action.

Cam Jansen's photographic memory is put to the test when Annie's tooth falls out? and disappears! Cam has a picture in her head of everything she sees. But does she have the picture she needs to solve the mystery of the lost tooth?

Cam Jansen and her friend Eric are going ice skating. When Eric loses the locker key, Cam's amazing memory clicks into action to find it in this latest edition to the popular Young Cam Jansen series.

Level Three Cam is playing baseball with her friends. When a baseball goes missing, Cam has to use her amazing memory to help her friends find it.

At a pizza parlor, Cam Jansen's jacket disappears. Could someone have taken it? Where could it be? Find out when Cam's amazing memory clicks into action in the sixth book of the Young Cam Jansen series.

When Cam Jansen, her father, and her friend Eric go to the library, Cam finds a mystery to read. But soon, she has a mystery to solve. Her father's shopping list has disappeared. Cam decides to use her amazing skills to investigate, and with a click, she puts her photographic memory into action. Where was the list seen last? And where can it possibly be? The Young Cam Jansen books are "appealing mini-mysteries [that] will find a ready audience." (Booklist )

Cam Jansen has a great time looking for shells on the beach with her friend Eric and her aunt Molly. But when they're done, Cam's mother is nowhere in sight! She was just sitting under a red umbrella, so how could she have disappeared? With a click, Cam puts her photographic memory to work to find her mom. Illustrated by Susanna Natti.

Cam and Eric's class is going on a field trip to the zoo. But Eric can't find his permission slip, and without it, he can't go on the field trip. Where did it go? Did he drop it somewhere? Was it stolen? Will Cam Jansen's amazing memory help to find Eric's permission slip in time? Or will he have to sit in the principal's office all day while the other children go to the zoo? Hurry, Cam, time's running out!

There's a new girl in school! Her name is Jenny and she is makingfast friends with Cam and Eric. They're happy to help her find her way around, but when it's time for gym class, Jenny disappears. Where did she go? Is she lost? Did she go back to her old school? Young readers won't be able to resist looking for clues in the story to help Cam and Eric find their new classmate. Follow along as Cam says “Click!” and the search for Jenny begins!