Aaron Carr

Discusses the physical features, habitat, food, and extinction of this meat-eating dinosaur.

Different kinds of tractors are shown being used to perform different types of work in colorful pictures with suitable text for beginning readers.

Excavators are used to dig holes and lift heavy things. They use tracks to move along dirt roads. Learn more about these machines in Excavators, part of the Monster Machines series.

Jumbo jets move people and goods around the world. The biggest jumbo jet can carry more than 550,000 pounds of goods. Learn more about these machines in Jumbo Jets, part of the Monster Machines series.

Different kinds of bulldozers are shown being used to perform different types of work in colorful pictures with suitable text for beginning readers.

Stegosaurus lived in grasslands near lakes and rivers. It is best known for having the smallest brain compared to its body size of all dinosaurs. Learn more about this remarkable reptile in Stegosaurus, a Mighty Dinosaurs book.

Pterodactyl, which is properly known as Pterodactylus, was not actually a dinosaur. It was part of a group of flying reptiles called pterosaurs. Pterodactyl had a long fourth finger, which provided support for its wings. Learn more about this remarkable reptile in Pterodactyl, a Mighty Dinosaurs book.

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. It hunted other dinosaurs for food. Learn more about this remarkable reptile in Tyrannosaurus Rex, a Mighty Dinosaurs book.

Deinonychus was part of the dromaeosaur family of dinosaurs, which are often called raptors. It was one of the smartest dinosaurs that ever lived. Learn more about this remarkable reptile in Deinonychus, a Mighty Dinosaurs book.

Did you know that each golf club is different? Clubs with higher numbers hit balls higher into the air. Learn more about this beloved sport in “Golf”, a Like a Pro book.