History is filled with people who have done remarkable things. Groundbreaker Bios tells readers about the life stories of some of the world's most notable people, both past and present, and…

The Avengers may be Earth's Mightiest Heroes . . . but the Guardians are the galaxy's greatest warriors! And they have one mission: no one touches Earth. Readers will thrill as they learn…

When Rocket and Groot are on an intergalactic road trip, the two get separated and it's up to Groot to help his friend. Whatever comes this famous talking-tree-thing's way, one thing's for…

Rocket Raccoon has been a hero to the weak, a champion of good, a heartthrob to many intergalactic females . . . but his high-flying life of adventure may be a thing of the past when he's…

After stealing a mysterious box from Korath and Thanos, the Guardians wind up on a thrilling adventure to find Pandorian Crystals in order to unlock a map to the Cosmic Seed, which involves…

The galaxy's greatest warriors are back! Follow their adventures as Gamora competes with her siblings to become Thanos's new general, Groot gets possessed by a super-evolved Symbiote, Rocket…

Investigate the mysterious and creepy with these thrilling and informative books. Explore the origins, locations, and mythologies of Area 51, cryptids, ghosts, and more. With easy text and…

Combining artistic grace, athletic skill, and technical proficiency, gymnastics is a unique sport. It has developed throughout history and has gained popularity with athletes and fans all…

Handling Health Challenges examines disorders and diseases and the ways in which they impact daily life for the people who have them. Each title discusses the science behind the health…

Follow detective brothers Joe and Frank Hardy as they rely on their wits, instincts, and intelligence to solve Bayport's toughest mysteries in this fresh take on the classic sleuthing series.

Twelve-year-old Stu has never believed in ghosts. But in each of these stand-alone titles, he finds himself face to face with a different ghost. Sometimes the ghosts get him into dangerous…

The United States is crawling with reports of the unexplained. Haunted places throughout the country often have a troubled or emotional history. Haunted History of the United States reveals…