Best Selling Books by David A. Adler

Fifth-grader Cam Jansen uses her photographic memory to help find a pickpocket at the circus.

The Cam Jansen books are perfect for young readers who are making the transition to chapter books, and Cam is a spunky young heroine whom readers have loved for over two decades. Now the first ten books in the series have updated covers that bring new life to these perennial best-sellers. Old fans and new readers will love Cam''s cool, modern look!

Here''s a fact: My new friend Calvin Waffle is 100% Weird Danny Cohen and Calvin Waffle are two very different kids. Danny likes playing baseball; Calvin enjoys strange experiments. Danny follows the rules at school; Calvin tries to drive his teacher crazy. Danny and Calvin decide to team up for the big jelly bean experiment. Will it lead to trouble? Maybe. Will they have fun trying? You can count on it.

Super-sleuths Herman "Houdini" Foster and his cousin, Janet Perry, discover a mystery at school, and cards are not the only things to vanish. Has Houdini''s skill in making things disappear transferred to the classroom pet? Instructions for the "Wacky Jacks" card trick are included.

Detectives are supposed to find things, but one day at the park, Bones loses just about everything: his magnifying glass, his dog, and even his detective bag. Can Detective Jeffrey Bones find the things he lost?

A fifth-grader with a photographic memory and her friend Eric help solve the mystery of the stolen diamonds.

Would you rather eat 1/4 of a pizza or 1/8 of a pizza? Find 3/4 of a dollar or 1/10 of a dollar? Confused? You don''t have to be! Fractions are made easy in this simple and hands-on math concept book. You''ll learn what the top and bottom numbers are called, and what they mean. You will also find out how to recognize and compare different fractions. Just follow the clear instructions and you will learn the most important thing of all -- that fractions can be fun!

Using her photographic memory Cam Jansen joins Eric in solving the mystery of a Valentine''s day robbery in a hospital waiting room.

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 solve the mystery before the wedding? The 30th mystery in this series has Cam volunteering in her community and tracking down a thief with a sweet tooth!

When a famous sculpture is stolen from the museum, two sets of twins team up to track down the thief.

Cam Jansen and her best friend are spending three weeks at Camp Eagle Lake, where they play sports, do crafts, and solve three mysteries. Cam Jansen/Puffin Chapter Books Super Special.

Eric''s Grandma Minnie and Grandpa Max keep hearing someone knock at their door, night and day, but find no one there, so Cam tries to solve the mystery using her amazing memory.

Cam, her best friend, Eric, and her aunt Molly win two goldfish at the local fair. When the goldfish go missing, Cam must use her amazing photographic memory to solve the 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 to the museum. Cam and her class are on a fild trip at the museum when Cam discovers that some bones are missing from a dinosaur skeleton. Can Cam find the bones and catch the thief? The Cam Jansen books are perfect for young readers who are making the transition to chapter books, and Cam is a spunky young heroine whom readers have loved for over two decades.

Math booster author David A. Adler and artist Ed Miller make pie charts easy-as-pie charts with this fun and vibrantly illustrated guide to data collection. For students, STEM topics don’t always feel like a walk in the park. But what if they were more like a day at the fair? Follow Janet and Ben from the Ferris Wheel to the carousel as they use graphs and data collection to make decisions about their day. This is the sixteenth book in this duo’s math picture book series. Combining elements of a graphic story with engaging and accessible nonfiction text, David A. Adler combines his well-established STEM know-how with Edward Miller’s vibrant, high contrast art to take young readers on a wild ride through the world of bar graphs, pictographs, pie charts, and more!

It''s up to Cam to solve this disappearing act! Aunt Molly takes Cam and her friend Eric to see a magic show at Teddy''s Toys. During the show, Teddy''s bird, Oscar, disappears! Where could he have gone? It''s up to Cam to click! and find Oscar before he gets lost in the mall in this Level 3 easy-to-read mystery.

Using her photographic memory Cam Jansen joins Eric in solving the mystery of how some of the school computers were stolen.

While at the airport waiting for her father to pick up his best friend from childhood, Cam Jansen uses her photographic memory to help a distressed father find his missing daughter.

A biography of the Israeli prime minister and world leader, emphasizing her early childhood and youth in Russia and America.

Selling candy door to door turns into an exciting adventure for Cam and Eric when they suspect that someone is hiding out in a deserted-looking house. Illustrations.

On her first day of fifth grade, Cam Jansen uses her photographic memory to help the police find a car thief. Includes a memory game.

When Cam''s grandparents are robbed on their way to her parents'' surprise birthday party, Cam uses her photographic memory to solve the mystery, in the twentieth addition to this popular mystery series. Reprint.

Detective Jeffrey Bones and Grandpa visit Grandpa''s friend Sally--the best apple pie baker around. Today, she''s practicing for the Best Pie Contest held at the county fair. But when it''s finally time to eat the pies, they are nowhere to be found--not in the oven, on the counter top, or on the table. Did Sally''s dog Oliver eat them? Detective Jeffrey Bones is on the case!

How many simple machines do you use every day? Probably more than you realize! Machines make work easier— helping break things apart, lift heavy objects, and change the power and direction of force applied to them. In this accessible picture book, celebrated nonfiction author David A. Adler outlines different types of simple machines—wedges, wheels, levers, pulleys, and more—and gives common examples of how we use them every day. Anna Raff''s bright illustrations show how simple machines work—and add a dose of fun and humor, too. Two appealing kids and their comical cat use machines to ride see-saws, turn knobs, and even eat apples. Perfect for classrooms or for budding engineers to read on their own, Simple Machines uses clear, simple language to introduce important mechanical vocabulary, and easy-to-understand examples to illustrate how we use machines to solve all kinds of problems. Don''t miss David A. Adler and Anna Raff''s other science collaborations—including Light Waves; Magnets Push, Magnets Pull; and Things That Float and Things That Don''t.

Describes the events which led to the liberation of the children of Israel from slavery in Egypt, and explains some of the Passover traditions and customs.

Caring for Cheetahs

Fifth-grade sleuth Cam Jansen uses her photographic memory to solve a monkey smuggling mystery at the city zoo.

Cam and Eric are at a benefit 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.