London, Martha

"Describes the life, presidency, and legacy of Abraham Lincoln"--Provided by publisher.

"Describes the life, presidency, and legacy of Franklin D. Roosevelt"--Provided by publisher.

"A hammerhead shark puts on a burst of speed, crushes its target beneath its wide, flat head, and gulps down a whole chunk of prey-without even chewing first. The hammerhead shark may have a unique head shape, but this tool is full of surprises that make it a fierce hunter. Dive under the waves to see the hammerheads incredible senses at work, follow along with its migration, learn how it has young, and more"--Provided by publisher.

Much of the world's oceans remain unexplored. Underwater drones help researchers find shipwrecks and learn more about ocean habitats. Deep-Sea Drones explains how these drones work and how they can be used to make scientific breakthroughs now and in the future.

Explore the science of the seasons to learn what causes snow, how to stay safe in this kind of weather, and so much more!.

How do we get hot weather? What are some ways to stay safe under the sun? Learn the answer to these questions and more.

How does wind form? What does it mean for the forecast to come? Learn the answer to these questions and more.

How does rain form and fall? What are some ways to stay safe when rainy weather turns dangerous? Learn the answer to these questions and more.

"Brrr! The air is getting cold. Groundhogs move into the special burrows they spent the summer digging. It's time for them to settle down for a long snooze. Why do they need to sleep? Learn all about groundhog hibernation and how weather makes them sleep"--Provided by publisher.

"Explore the science of the seasons to learn what causes cold weather, how to stay safe in this kind of weather, and so much more"--Provided by publisher.