David Adler: 105 books

Bones and his parents got Grandpa a special present for his birthday. But by the time they all make it to the party, the gift is gone. How could it have disappeared so quickly? Will detective Jeffrey Bones be able to solve the mystery and sing ?Happy Birthday? to Grandpa?

Cam Jansen and her best friend, Eric, are excited about their class's 100th day of school party! To celebrate, they're having snacks that start with the letter P: pretzels, popcorn, pineapple juice, and everybody's favorite, pizza. But when the pizza disappears from the kitchen, it's up to Cam and her photographic memory to "click" and solve this delicious mystery!

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.

After nearly a quarter of a century, Cam Jansen remains a popular character, garnering new fans with each new title. In this newest Cam Jansen mystery, it's a very snowy day outside, so Cam and Eric are running late to computer lab. When they finally arrive, they realize that three computers are missing!...

Thirteen-year-old Tommy Duncan just wants to root for the Brooklyn Dodgers and listen to his favorite radio programs. But it's 1940, and the world is about to change. All his friend Beth wants to discuss is the war in Europe. Don't talk to Tommy about that, though. He has more immediate concerns,...

With his bag of detective tools in hand, Detective Jeffrey Bones can solve any mystery. Good thing, because Mr. Green has lost his school bus! Will Detective Bones be able to solve the case? Find out in this Level 3 reader!

It's field trip day in Cam and Eric's class. Only where is Eric's permission slip? He had it on the bus, but now it's gone! Did someone take it? Did it blow away? After a few red herrings, Cam's click-click memory kicks in just in time for Eric to join the class on their field trip to the zoo. Perfect...

Cam and her classmates have a forgetful substitute teacher. First, he forgot the homework assignment. And where did he put his jacket? But when his car keys and cell phone go missing, everyone starts to wonder: did he lose them or were they stolen? Readers will love to click along with Cam as she solves this latest easy-to-read mystery.

It’s a rainy day when Cam and her classmates arrive at school. Meow! A cat with a spot on its tail is napping near the coat rack. How did a cat get in their classroom? Did it run away? Click! Read along as Cam solves this easy-to-read cat caper.

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 school library. It is a big day at Cam's school. The governor, who is running for president, is visiting for the dedication of...

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.

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?

"This presentation of the pertinent facts of the life, times, and importance of the sixteenth president of the United States is a good starting point for children beginning history studies and biographies." - School Library Journal

Cam and her friend Eric are having a great time at the circus with Aunt Molly - that is, until their box of popcorn goes missing. Did they lose it, or was it stolen? It's up to Cam and her photographic memory to figure it out!