Marina Cohen

We all know that vitamins are necessary for proper growth and good health. But what vitamins do we need and how does our body use them? This informative title identifies essential vitamins and explains how our bodies absorb them.

Fourteen-year-old Jake MacRae's life is spinning out of control. He's making all the wrong choices - gambling, drinking, hanging around gang members - and now he's been asked to make a special delivery. What should he do? Jake knows either way that his decision will seal his fate, but what he doesn'...

This fascinating title examines the sequence of events that led to the formation of cell theory. In 1665, scientist Robert Hooke published Micrographia, the first significant work focused on miscroscopial observation. Later, Hookes groundbreaking work inspired scientists such as Theodor Schwann, Mat...

Polygons are shapes with a number of sides joined together. They are everywhere! A baseball field is a diamond-shaped polygon. Join Emily at a baseball game and look for different shapes. She discovers that the field is full of much more than baseball playersits filled with polygons, too.

Polygons are shapes with a number of sides joined together. They are everywhere! A baseball field is a diamond-shaped polygon. Join Emily at a baseball game and look for different shapes. She discovers that the field is full of much more than baseball playersits filled with polygons, too.

Find out how to add and subtract cents when buying or selling something. Brian wants to make a lemonade stand to raise money for the local food bank. How much should he charge for a glass? How much change will customers receive? How much money will Brian raise?

This fascinating title examines the sequence of events that led to the formation of cell theory. In 1665, scientist Robert Hooke published "Micrographia", the first significant work focused on miscroscopial observation. Later, Hooke's groundbreaking work inspired scientists such as Theodor Schwann, ...

Understanding how to make ten is a key building block in the base-ten system. In this engaging title, young readers explore different number combinations that make up the number ten.

A grocery store is filled with much more than food. The aisles and shelves hold plenty of fun, too. As Justin helps his mother shop, he explores the variety of 3-D shapes all around him. As Justin can show you, there are always plenty of shapes to see!