STEM

In How Do Galaxies Form?, early fluent readers will learn what galaxies are, theories about how they form, and what happens when they collide with each other. Beautiful, crisp, full-color… More →

What is density? How does it affect whether an object sinks or floats? In Density, beginning readers learn how particles play a role in comparing the density of different objects. Vibrant,… More →

The cosmos is full of mysteries. Scientists are busy finding answers to difficult but intriguing questions about our universe. Cosmos Questions introduces readers to engaging space concepts,… More →

What is mass? How can we measure it? In Mass, beginning readers learn about mass and matter and how they apply to their everyday lives. Vibrant, full-color photos and simple diagrams… More →

What is a solid? What are its properties, and how can it turn to a liquid? In Solids, beginning readers learn about this state of matter and how it applies to their everyday lives. Vibrant,… More →

In Where Do Black Holes Go?, early fluent readers will learn what black holes are and theories about what's inside them. Beautiful, crisp, full-color photographs complement the text and aid… More →

What is volume? How can we measure it? In Volume, beginning readers learn about volume as it applies to measuring liquid and solid ingredients to bake cookies and fill a cookie jar. Vibrant,… More →

States of Matter introduces early readers to the three main states of matter--liquids, solids, and gases--as well as the fundamental physical science concepts of volume, mass, and density.… More →

What is a gas? What are its properties, and how can it turn to a liquid? In Gases, beginning readers learn about this state of matter and how it applies to their everyday lives. Vibrant,… More →

In What Was the Big Bang?, early fluent readers will learn about the leading theory of how our universe came to be. Beautiful, crisp, full-color photographs complement the text and aid… More →

In Where Do Asteroids Come From?, early fluent readers will learn what asteroids are, how they form, and what happens when they get too close to Earth. Beautiful, crisp, full-color… More →

In What Causes a Supernova?, early fluent readers will learn why some stars explode into supernovas, and what scientists learn about our universe by studying them. Beautiful, crisp,… More →