Michael C. Harris 
Unusual Diseases [PDF ebook] 

How much do we really know about the world that exists beyond the reach of our five senses? In the voice of an easy-going road-trip companion, Heather Mc Cutcheon guides us through the intersection o …

Fermentation is a metabolic process that consumes sugar in the absence of oxygen. The products are organic acids, gases, or alcohol. It occurs in yeast and bacteria, and also in oxygen-starved muscle …

Where does California’s water come from? Who are its users? How is water conserved? California has the largest economy and population in the United States, and its limited water supply must meet the …

When it’s hot outside, what can you do to stay cool? People have found many ways to cool off and cool down. How cool is that? Created in collaboration with the Smithsonian Institution, this STEAM boo …

When it comes to mapping the Milky Way, scientists know one thing for sure. They know that there is still a lot that they do not know! Discover how they study the Milky Way, and learn about the galax …

Have you ever seen a skyscraper that is shaped like an elephant? How about one that looks like waves? Students will learn how to measure area while engaged in reading about the world’s coolest skyscr …

In this nonfiction text, Hamilton Vs. Jefferson, readers will study the differences between two very important but distinct founding fathers: Alexander Hamilton and Thomas Jefferson. Through the use …

The story begins with a scene from the life of a young boy who learns that his grandmother may be "lost". Thinking that maybe she can be found, confusion and frustration drive him to search …

We are in a moment that is unlike any others we have experienced in our lifetimes. Important questions are being asked about how we move forward and what it will take to get our economy moving and pr …