David A Adler: 99 books

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...

Can Cam catch a jewel thief? Cam Jansen and her best friend, Eric Shelton, are at a charity function with their mothers to raise money for local firefighters. When the host's pearl necklace goes missing, the luncheon turns into a whodunit, and all the guests are suspects. Can Cam use her photographic memory to identify the culprit before the thief gets away?

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 the community hobby show. Cam and Eric are checking out a sports memorabilia booth when a baseball autographed by Babe Ruth disappears....

Cam and her friend Eric are having fun at a local basketball game. They watch the team?s retiring coach receive a basketball signed by his former players, including the governor. But after the game the ball is gone. Was it stolen? In another addition to the bestselling early chapter book series, Cam uses her photographic memory to investigate this hometown mystery.

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 while selling candy door-to-door. Cam and Eric are knocking on doors to sell candy for their school fund-raiser when Cam notices that...

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 the airport. Cam and Eric are greeting Aunt Molly when a young French girl—who can't speak English—disappears. Can Cam find her...

Cam Jansen and her friends are volunteering at a talent show at the local senior center. They're having fun entertaining the guests and enjoying treats donated by Ken's Bakeshop. But during the show someone steals the wedding cake from Ken's truck out front. Can Cam use her photographic memory to...

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 park with U.F.O.s in sight! Cam and Eric see flashing lights in the sky, and everyone thinks aliens have landed. But Cam knows there's...

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 an amusement park. Cam, Eric, and Cam's aunt Katie and uncle George have just braved the amusement park's Haunted House when Aunt Katie...

Cam Jansen and her best friend, Eric, are spending three weeks at Camp Eagle Lake. Along with sports, arts and crafts, and other fun activities, there are also three exciting mysteries to solve: The First Day of Camp Mystery, It’s a Raid!, and The Basketball Mystery. With three camp mysteries in one book, this super special is perfect for summer reading and all Cam Jansen fans!

It's Cam Jansen's first day of fifth grade and she and her friend Eric can't wait to meet their new teacher. Only their day turns out to be more exciting than they ever expected. First their school bus gets stuck in traffic and they have to walk to school. Then they see a car crashed into a tree....

Not only does Cam Jansen have a birthday mystery to solve...she has one to celebrate! The Cam Jansen series marks its twentieth year with the twentieth book featuring Cam Jansen and her photographic memory. When Cam's grandparents are robbed on their way to a surprise birthday party, Cam puts her memory to work to solve the mystery. The clue is in the story--try to find it before Cam does!

Detective Jeffrey Bones solves crimes?but this time it?s personal. He?s at a science museum when his blue Tyrannosaurus rex goes missing. Could someone have stolen it? Bones must find his T-rex! Hopefully there?s something in Bones?s detective bag that can help him solve this roar of a mystery!

The beloved elementary school sleuth Cam Jansen is back in her 31st mystery! Eric's father is finally graduating from college. But before the celebration can begin, a very special present from Grandpa Shelton disappears. Was it lost--or stolen? There's no way Cam will let a thief ruin the graduation celebration! She must use her photographic memory to track down the gift.