Adler, David A. 
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There are a total of 196 valid entries on the list.
Author:
Series:
Cam Jansen mysteries. Main series volume 14.
Average Rating:
5 stars
Description:
When Cam Jansen and her friend Eric uncover a mystery while selling fudge door-to-door to raise money for the local library, Cam uses her photographic memory to foil a crime.
Cam Jansen trys to solve another mystery when she discovers a trash can in front of a house that is supposed to be empty while selling candy with Eric for the school fundrasier.
Author:
Average Rating:
4 stars
Description:
A stroll around a county fair reveals that fractions, decimals, and percents are everywhere, including the pie-eating contest, the arcade, and the prize booth.
Author:
Average Rating:
5 stars
Description:
This introduction to the mathematical estimating and rounding explains the difference between the two, their uses, and gives directions for estimating and rounding.
4. Light waves
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Description:
An introduction to the physics of light for young readers, with an overview of photons, transparency, the electromagnetic spectrum, and the mechanics of reflection.
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Description:
Introduces the basics of magnetism, covering such concepts as attraction, poles, electromagnetism, and force.
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Description:
An exploration of the metric system, including centimeters, grams, and liters.
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Description:
From bartering, early forms of currency, credit cards, and digital payment, here is a clear and thorough introduction to money.
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Description:
Introduces children to American currency values and the basics of adding and subtracting money.--
Author:
Average Rating:
4.8 stars
Description:
Introduces readers to algebra by using simple addition, subtraction, multiplication, and division to solve equations.
Author:
Average Rating:
3.5 stars
Description:
Introduces three geometric concepts as the stars from "Monsters in the Neighborhood" calculate the perimeter of the set, the area of the movie screen, and the volume of a box of popcorn.
Author:
Average Rating:
5 stars
Description:
Uses simple language and illustrations to explain the laws of supply and demand and how these forces determine prices.
Sometimes prices go up and up and up. Then they suddenly crash. Why? In simple language and with colorful graphics and amusing characters, this picture book explains the basic laws of supply and demand, using examples kids will understand, such as dueling lemonade stands on the same block. Terms such as "fixed costs" and "variable...
Author:
Average Rating:
4 stars
Description:
Introduces such simple machines as wheels, levers, and pulleys, and describes how they work in more complex machinery and how they are used every day
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Description:
Two children learn about four different states of matter (solid, liquid, gas, and plasma) and what happens when matter changes form.
Author:
Average Rating:
3 stars
Description:
A picture geometry book that introduces children to quadrilaterals, including parallelograms and trapezoids, using hands-on activities and simple explanations. --
15. Telling time
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Average Rating:
3.5 stars
Description:
This picture book offers explanations of how to tell time, the difference between digital and analog time and AM and PM.
17. Time zones
Author:
Description:
Discusses the reasons for time differences in different parts of the world and the history behind the division of the world into twenty-four time zones.