Melissa Stewart

Introduces robots and the science behind these amazing machines, including a historic timeline of robot development, common jobs robots perform in the workplace and at home, and robots of the future.

Describes the different types of dolphins, where they live, what they eat, etc.

Describes what are meteorites, and where do they come from?

Introduces some of the most dangerous animals on Earth, describing the physical characteristics and behavior that makes them deadly, including such creatures as saltwater crocodiles, poison dart frogs, box jellyfish, and scorpions.

An introduction to the types, physical features, behavior, and pet potential of snakes.

"Discover how different animal use their tongues to clean themselves, capture food, and more"--Provided by publisher.

This book teaches readers about droughts.

Presents an introduction to the world's turtle populations and the environmental issues that are threatening their survival, providing various examples that reveal how everyday actions can help protect endangered turtle species.

Discusses butterflies and why they need to be protected.

What are cells made of? Biologists have been studying cells since the mid-1600s, when Robert Hooke viewed a slice of cork through a microscope and coined the word "cell" to describe the walled-in spaces he saw. Most cells are invisible to the naked eye. Yet they carry out the many complex processes that make life possible. As microscopes have improved, scientists have learned more and more about cells and their organelles-the structures within cells....