David A Adler: 99 books

Detective Jeffrey Bones is always ready to help when a mystery strikes. This time, there is a missing cupcake at school. Armed with a code breaker, walkie-talkie, and clever jokes, Jeffrey Bones sets out to solve this sweet mystery!

"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

Detective Jeffrey Bones is at a football game with Grandpa and his friend Sally. With Grandpa's lucky shirt and hat, their favorite team is sure to win. But when Grandpa throws his hat in the air after a touchdown, it disappears, and it could be anywhere in the stadium! Can Bones use his detective bag and his sharp mind to solve this mystery of the missing hat?

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.

Cam, her best friend Eric, and Eric’s mom are spending the day with Eric’s grandparents. But Grandpa and Grandma seem too tired to visit. Every so often, a knock at the door wakes them up. But when they go to answer, no one is there. Is a Knock, Knock Ghost on the loose? It’s up to Cam to solve the mystery! Garden State Children’s Book Award 2017 Nominee.

"Gail Nelson is an unobtrusive narrator who lets Harriet Tubman's deeds and personality speak for themselves. And speak they do!" - AudioFile

This fourth title in the perenially popular, Geisel Award-winning Level 2 readers series features a sport that's a kid favorite: soccer! The soccer season is starting, and Mo has been working hard on his kicking skills so he can help his team, the Billy Goats, score a goal. But when he gets...

Grab your jumbo popcorn and 3-D glasses. You're invited to the premiere of a 3-D movie! The star-studded cast of monsters will help you calculate the perimeter of the set, the area of the movie screen, and the volume of your box of popcorn. Learning about dimensions has never been so entertaining.

Winner of the 2016 Theodor Seuss Geisel Award Mo is the youngest kid on the Robins, his football team. His classmates don’t mind, but the kids on their rival team tease him for being a "butterfingers" who's too tiny to catch the ball. But Mo's coach has a plan to turn Mo's little...

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 ticket booth. Cam, Eric, and Aunt Molly are in line to buy concert tickets when a person in a ghost costume starts scaring people....

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 her school's Sports and Good Nutrition Day. Cam's class is going to Franklin Park to run races, play soccer and baseball, and have...

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 on a boat ride. Cam and Eric are enjoying a boat trip around the city when there is an onboard theft. A poodle who wears a jewel-encrusted...

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.

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?