Roy, who is new to his small Florida community, becomes involved in another boy's attempt to save a colony of burrowing owls from a proposed construction site.

Thirteen-year-old Giles, a New York City boy who feels invisible next to his talented younger sister and smart older brother, comes to the rescue when space aliens from an intergalactic realty company arrive and try to evict humans for polluting the world.

In this modern twist on the classic story of "The Three Little Pigs," Eco-Wolf and his woodland warriors save the forest and valley from three polluting pigs.

Toby Lolness may be just one and a half millimeters tall, but he's the most wanted person in his world, the world of the great oak Tree. Toby's father has made a groundbreaking discovery: the Tree itself is alive, flowing with vital energy, and there may even be a world beyond it. Greedy developers itch to exploit this forbidden knowledge, risking permanent damage to their natural world. But Toby's father has refused to reveal his findings, causing...

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.

Curley Hines has lost his father, mother, and brother to coal mining, and now he lives with his grandfather in the Appalachian mountains of Wonder Gap, Kentucky--but when the mining company prepares to destroy their mountain he must use the words his grandfather has taught him to save Red Hawk Mountain, even if it means losing the life he loves.

When a baby albino dolphin caught in old fishing netting washes ashore, Paralympics sailing hopeful Felix and English school girl Kara work with veterinarians and specialists to save and reunite the dolphin with her mother, setting off a chain of events that might just save the reef from the environmental effects of proposed dredging.

So far the AstroNuts have failed to find a suitable planet, but NNASA has come up with a new plan: send the the four animal astronauts back through time on Earth where they are to contact early homo sapiens and somehow set them on a path to a sustainable future--trouble is, humans seem inferior to many of the other species (especially the wolves), so the AstroNuts come up with a Survival of the Fittest Olympics, hoping that with a little help the...

Upon moving to her aunt's seaside home in the British Isles, Connie becomes part of a secret society that shelters mythical creatures, and must use her ability to communicate with these beings to protect them from evil and the incursions of humans.

Siblings Maddy, Lexie, and Hudson Livingstone, who are vampire-fruit bat hybrids, struggle to adjust to living as humans in New York City while maintaining their individual vampire strengths.