Hoping to return home after a winter in the Sudden Mountains so he can join his parents in the fight against the evil Chancellor, Raffa must use his apothecary skills while enlisting the help of human and animal friends to survive the journey.

"In the 1990s, scientists lived inside Biosphere 2 (Biosphere 1 is the Earth itself) for two years, trying to figure out if colonizing Mars would ever be possible. Now scientists don't live there but instead conduct all sorts of studies and experiments aimed to help us better understand our environment and especially understand what sort of things are happening to it due to climate change and other man-made problems. It's a unique take on the Scientists...

How do astronauts take a nap? It's harder than you think! Astronauts use many different innovations to make living in space possible. In Reaching for the Stars: Sleeping in Space, you'll discover what technology astronauts take with them to be able to live in space! From shower packs and Velcro straps, to robotic arms and astronaut ice cream, let's take a look at how astronauts eat, bathe, sleep, and play while in space! Reaching for the Stars covers...

Raffa Santana is a healer, not a fighter. As a gifted apothecary, he has amazing instincts for unleashing the potential of magical-seeming plants. But his skills have failed to free the animals that the heartless Chancellor captured and turned against the people of Obsidia directly threatening Raffa's friends and family.

In northern California, Julian Carter-Li and his friends old and new fight to save a grove of redwoods from an investment company that plans to cut them down.

Struggling with grief over her uncle's death, twelve-year-old amateur astronomer Tuesday Beals makes a discovery that could save her favorite astronomy spots in Zion National Park from the threat of a new housing development.

Eleven-year-old Aurora Petrequin's best friend has never spoken a word to her. In fact, Frenchie Livernois doesn't talk. Aurora is bouncy, loud and impulsive--"a big old blurter." Making friends has never come easily. When Frenchie, who is autistic, silently chose Aurora as his person back in third grade, she chose him back. They make a good team, sharing their love of the natural world in coastal Maine. In the woods, Aurora and Frenchie encounter...

"Did you know that the International Space Station is the largest human-made space object? Something that big might seem like it can't move fast-but the ISS cruises through space at about 5 miles (8 km) per second! Spend some time on this massive, speedy space station to learn about how ISS crew members work on incredible science experiments and stop their food from floating away in low gravity. Discover extreme facts about the International Space...

A refreshed edition designed to appeal to collectors follows the classic story of the tentative interactions between domesticated animals at Lodge Farm and the wary woodland creatures from an adjoining forest whose existence is threatened by poachers.

Mary W. Chase died on Nantucket Island just over one hundred years ago, but she is still there, in the house she once lived in, and she wants to keep it that way-- but first she must somehow contact a group of children who are interested in preserving historic homes on the island.