Henry Carter Hull

Presents an introduction to sea stars, discussing their anatomy, reproduction, eating behaviors, and defenses, and looking at different sea star species.

Who wouldn't want to be a bird for a day, soaring high above the earth? Young readers will take a bird's eye view of life and will learn about how the many different kinds of birds have evolved and what they all have in common. Children are keen observers of the world around them. This series helps kids understand the scientific basics behind their everyday experiences. Through simple, clear text and colorful images, these books provide the tools...

Energy comes from many sources and is used in many different ways. Young readers will learn what energy is, where it comes from, how humans have harnessed energy in order to better their lives over the years, and why conserving energy is so important. Children are keen observers of the world around them. This series helps kids understand the scientific basics behind their everyday experiences. Through simple, clear text and colorful images, these...

Some insects are as large as your hand, while others are so small that you can't see them without using a microscope or magnifying glass. Termites build enormous cities on the ground, while butterflies float high above your head. Discover what characteristics bring such a diverse group of animals together. Children are keen observers of the world around them. This series helps kids understand the scientific basics behind their everyday experiences....

Most of us think of magnets only when we want to display pictures on the refrigerator. But magnets play a larger part in our lives than you might think. Learn how and why magnetism works in the home, in the hospital, on our Earth, and in outer space. Children are keen observers of the world around them. This series helps kids understand the scientific basics behind their everyday experiences. Through simple, clear text and colorful images, these books...

We hardly ever think about matter. But ask yourself a basic question: what makes up the world around us? Matter, of course! Readers will explore the different types of matter, observe how matter can change, and examine the building blocks of our universe. Children are keen observers of the world around them. This series helps kids understand the scientific basics behind their everyday experiences. Through simple, clear text and colorful images, these...

What does it mean to move? Young readers with learn how things stay in motion and how they start and stop. This book investigates the laws of motion that allow rockets to zoom into outer space, children to run around the playground, and leaves to dance on an autumn breeze. Children are keen observers of the world around them. This series helps kids understand the scientific basics behind their everyday experiences. Through simple, clear text and colorful...

Floating slowly through clear blue water, colorful sea jellies seem lovely and peaceful. But, don't let their tranquility trick you! Learn how these seemingly simple creatures sting and trap their prey, make copies of themselves, and even grow new body parts! Children are keen observers of the world around them. This series helps kids understand the scientific basics behind their everyday experiences. Through simple, clear text and colorful images,...

A screech rings out: there's a spider in the bathroom! Spiders may inspire screams when they're in the house, but their beautiful webs and nimble legs can also inspire wonder. Discover what makes spiders and their relatives so fascinating. Children are keen observers of the world around them. This series helps kids understand the scientific basics behind their everyday experiences. Through simple, clear text and colorful images, these books provide...

Robins eat earthworms as a tasty treat. You might use one as bait to tempt a fish. But other types of worms consider robins, fish, and humans to all be prime real estate for growing and having a family! Learn all about the many kinds of worms around us--or in us! Children are keen observers of the world around them. This series helps kids understand the scientific basics behind their everyday experiences. Through simple, clear text and colorful images,...