David A Adler

When Cam's grandparents are robbed on their way to her parents' surprise birthday party, Cam uses her photographic memory to solve the mystery.

A brief biography of the African American scientist who overcame tremendous hardship to make unusual and important discoveries in the field of agriculture.

While visiting Aunt Molly at a fancy downtown hotel, Cam uses her photographic memory to help one of the guests find her stolen luggage and pet cat, and to catch the thief.

A basic introduction to the concept of fractions.

Explains to young children the concept of large numbers--a million, billion, and trillion--through scenarios where math and numbers are involved. For example, eating two full pizzas a day for sixty-eight years would cost one million dollars.

Kids use simple machines every day without realizing it. Teeth are wedges and so are knives, forks, and thumbtacks. Many toys such as slides, which are inclined planes, and seesaws, which are levers, are also simple machines. Two appealing kids and their comical cat introduce levers, wheels, pulleys, inclined planes, and more, and explain how they work. This lively introduction to physics will get kids excited about how simple machines simplify our...

Cam investigates when a thief steals her mother's video camera and a tape containing footage of a big scary snake.

Cam uses her photographic memory to identify the person who stole a valuable autographed baseball.

"This introduction to mathematical estimating and rounding explains the difference between the two, their uses, and gives directions for estimating and rounding."-- Provided by publisher.

A brief biography of the woman who overcame her handicaps of being both blind and deaf.