Carr, Aaron

Did you know that BMX means bicycle motocross? Some BMX bikes are made to do jumps and tricks. Others are made for racing. Learn more about this extreme sport.

What is a baby ladybug called? What keeps a ladybug's wings safe? Young readers will discover these facts and more.

Snowboarding is a gravity-defying extreme sport in which snowboarders fly off ramps and half pipes to perform big tricks in the air.

Bulldozers are used to push piles of rocks and dirt. The biggest bulldozers are used for mining. Learn more about these machines in Bulldozers, part of the Monster Machines series.

Tyrannosaurus rex means "tyrant lizard king." This famous dinosaur had sharp serrated teeth that were up to 6 inches (15 centimeters) long, or about the same size as a banana. Readers learn this and more!.

Did you know that tennis players use rackets? They use their rackets to hit the ball. Learn more about this beloved sport.

Did you know that people can ride skateboards in many places? Some people ride on sidewalks. Other people go to skateparks. Learn more about this extreme sport.

Did you know that there are four main swimming strokes? Different swimming events use different strokes. Learn more about this beloved sport.

Monster trucks weigh about 10,000 pounds. They look like pickup trucks with huge wheels. Learn more about these machines in Monster Trucks, part of the Monster Machines series.

Triceratops had a stocky, powerful body similar to the modern-day rhinoceros. It is best known for having three large horns on its head. Readers learn this and more!.