Jennifer Boothroyd

Watch as a boy makes map of his room to show his friend the location of the supplies he'll need to care of the boy's hamster while the family goes on vacation. Simple text takes early readers step by step through the types of features a room map needs to have.

Come along as a girl maps her neighborhood to show her visiting grandmother where everything is. Simple text takes early readers step by step through the types of features a neighborhood map needs to have.

Many people store food in refrigerators and clean clothes in washing machines. But long ago, these tools didn't exist. Big blocks of ice kept food cold. And people scrubbed clothes on long, bumpy boards. What other household tools have changed over time? Read this book to find out! Learn how daily life has changed over time in the Comparing Past and Present series-part of the Lightning Bolt Books ™ collection.

Inventions change people's lives. But the stories told about how they were invented are often wrong. That story you heard of an overnight success took years of hard work and countless failed attempts to create. Discover the true stories behind inventions from the lifesaving gas mask to the thrilling Super Soaker.

Light shines through your kitchen window. A campfire brightens the dark woods. You see light all around you. But where does most light come from? And how does it travel? 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!

See how birds use feathers for flight, warmth, camouflage, and much more.

Many people travel long distances by airplane. Some drive hybrid cars powered by gasoline and electricity. But long ago, most people took long trips by boat or train. They drove gas-powered cars that people started by turning a crank. In what other ways has transportation changed? Read this book to find out! Learn how daily life has changed over time in the Comparing Past and Present series-part of the Lightning Bolt Books ™ collection.

Many people use cell phones and e-mail to communicate with others. But long ago, these tools didn't exist. All phone calls traveled through wires. And people used machines called typewriters to write letters. What other communication tools have changed over time? Read this book to find out! Learn how daily life has changed over time in the Comparing Past and Present series-part of the Lightning Bolt Books ™ collection.

Young readers will learn how we send and receive messages using light and sound in this accessible, photo-filled book. Simple text explains different methods of sending messages and shows how light and sound make sending these messages possible. Vibrant photos bring basic science concepts to life and encourage kids to explore light and sound on their own.

What color are your eyes? Brown is the most common color. But some people have blue, green, gray, hazel, or amber eyes. What determines your eye color? Read this book to find out about how your genes affect your physical features.