Put your hands in the air and enjoy a wild ride around the science of roller coasters! This title includes leveled text that describes how a roller coaster's train and tracks interact. The book then dives into how the twists and turns affect the train and the riders inside. Special features reinforce the text to help young readers visualize the kinds of energy and forces at work. A question encourages readers to imagine their own roller coaster design!...

Smoke pours out of a window. Call 911. A fire truck is on its way! Fire trucks carry the equipment needed to put out fires and help people in emergencies. Young readers will find out about fire trucks, their main parts, and how these important vehicles are used.

When a blizzard strikes town and it looks like the tree-lighting ceremony has to be cancelled this year, Tractor Mac knows just the way to save Christmas.

There was an old mermaid who swallowed a shark. I don't know why she swallowed a shark, but it left no mark. Follow this old mermaid underwater to see what she swallows next.

"Teaches readers everything they want to know about cranes, from their important parts to the many jobs they help with on the construction site."--Adapted from publisher's description.

Shortly before Christmas, Santa discovers that the sleigh needs major repairs and the reindeer are out of shape, and so the elves build him a jet to use on his annual trip.

Submarines are mighty and sneaky military watercraft. But did you know that they can carry an entire crew of people? Or that they can track where other boats are in the water? Learn more in this look at these impressive machines! Learn about different military vehicles in the Military Machines series-part of the Lightning Bolt Books™ collection. With high-energy designs, appealing photos, and lively text, Lightning Bolt Books™ bring nonfiction...

In Hybrid and Electric Cars, early fluent readers learn about the technology allowing us to reduce our vehicles' dependence on fossil fuels. Vibrant, full-color photos and carefully leveled text engage young readers as they learn about the science behind hybrid and electric cars. Infographics illustrate key concepts, and an activity offers kids an opportunity to extend discovery. Children can learn more about hybrid and electric cars using our safe...

Fire trucks have loud sirens and flashing lights. They race to fires to keep people and property safe. But what are some different kinds of fire trucks? And what special equipment do they use to fight fires? This exciting look at fire trucks reveals how they work, the special equipment they need, and how they help firefighters battle blazes to keep people and property safe. From the engine to the hoses and ladders, this book contains all the details...