Jennifer Boothroyd

Ice cubes clink in a glass. Steam rises from a pot of boiling water. Solids, liquids, and gases are all around you. But what exactly are solids, liquids, and gases? And how do you tell them apart? Read this book to find out!

A rock sinks in the water. A hot air balloon floats in the air. Many objects float and sink. But what makes them move this way? And how do people use floating and sinking in their lives? Read this book to find out! Learn all about matter, energy, and forces in the Exploring Physical Science series, part of the Lightning Bolt Books collection. With high-energy designs, exciting photos, and fun text, Lightning Bolt Books bring nonfiction topics to life!...

A ball drops to the ground. Leaves fall from a tree. Gravity is at work all around you. But what exactly is gravity? And how does it affect different objects? Read this book to find out! Learn all about matter, energy, and forces in the Exploring Physical Science series part of the Lightning Bolt Books collection. With high-energy designs, exciting photos, and fun text, Lightning Bolt Books bring nonfiction topics to life!

Lightning streaks across the sky. A lamp lights up a room. Electricity is all around you. But where does electricity come from? And how do we bring it into our homes? Read this book to find out! Learn all about matter, energy, and forces in the Exploring Physical Science series part of the Lightning Bolt Books collection. With high-energy designs, exciting photos, and fun text, Lightning Bolt Books bring nonfiction topics to life!

Readers will learn all about cultivators, from what parts they have and how they work to the way they are used by farmers, in this title published jointly with New Holland Agriculture.

See how a student creates a map of the United States. Simple text takes early readers step by step through the types of features a country map needs to have and how to find the information.

What did Roald Dahl do at school every week? Which story did he first make up to tell his children? What tool did Roald help invent? Read this book to discover the answers!

An engaging look at the ways that people interact with plants and animals.

What routine do you follow to pack a healthy lunch? See how this responsible student plans a meal.

Some mammals have a little fur or hair, others have a lot! Learn how fur helps these animals survive.