When Sophia's helper is absent, her fellow third-graders help out by learning how to push her wheelchair.

This book is about the discovery of the Triceratops dinosaur, including information about the dinosaur's appearance, movement, and diet before it became extinct.

Discusses the life of the gaming pioneer, including her childhood love of video games, her early work with alternate reality games, and why she believes that games can solve real-world problems.

Describes the development of a tiger from infancy to adulthood, as she grows up in India.

Robot and Rico are camping, but they leave a light on after Rico tells a scary story.

Describes the creation of Uncle Sam and discusses how he has changed over the years.

Robot and Rico go to the grocery store in hopes of finding a new Hero Cat prize in a cereal box.

Robot and Rico are off to the beach with Rico trying to catch a fish and Robot building sandcastles.

When Robot builds a race car, Rico wants to drive it, but the car has lots of problems.

Robot and Rico pretend to be pirates and look for buried treasure.