"This book traces the life of Alexander Graham Bell, from his early childhood and education through his sources of inspiration and challenges faced, early successes, and the invention for which he is best known: the telephone. A timeline at the end of the book summarizes key milestones and achievements of Bell's life"--Provided by the publisher.

"This book traces the life of Thomas Edison, from his early childhood and education through his sources of inspiration and challenges faced, early successes, and the many inventions for which he is best known. A timeline at the end of the book summarizes key milestones and achievements of Edison's life."--

Without muscles we would not be able to move. Muscles keep our digestive system working too, and our heart is a large muscle that works all the time. This book looks at how muscles, tendons and nerves all work together to help us move every part of our body.

Explores the body to find out how our organs work.

"This fun book about dog shows teaches the core curriculum topic of inheritance."--

"Find out all about the human body, including the millions of bacteria that live in and on us and help our body function healthily, our digestive system, bones and muscles, blood and heart, lungs and breathing, the size of our brain, and the number of hairs on our head."--

This book explores grassland habitats around the world, looking at the plants and animals that live there, and the adaptations that help them to survive.

This book explores forest habitats around the world, looking at the plants and animals that live there, and the adaptations that help them to survive.

Explore river habitats around the world, looking at the plants and animals that live there, and the adaptations that help them to survive.

How did ancient people manage to find light sources? How do we know about light-based theories such as prisms? This fascinating book looks at the historical controversies that surround the discovery and theories of light and tells the stories of the scientists who worked on them. It also examines how the different theories based on light were arrived at, how they were tested, and what impact these theories and discoveries have had on our understanding...