The relationship between humans and mountain lions has always been uneasy. A century ago, mountain lions were vilified as a threat to livestock and hunted to the verge of extinction. In recent years, this keystone predator has made a remarkable comeback, but today humans and mountain lions appear destined for a collision course. Its recovery has led to an unexpected conundrum: Do more mountain lions mean they're a threat to humans and domestic animals?...

"Known as the Roadkill Kid due to his mother's job, middle schooler Jack becomes his mom's assistant as he deals with his parents' divorce, even though he just wants to finally talk to Zoe, his conservationist classmate with the bright green eyes."--

"From an acclaimed environmental writer, a groundbreaking and provocative new vision for our relationships with--and responsibilities toward--the planet's wild animals"--

When the annual migration of hummingbears, a source of local pride and income, dwindles and no one knows why, Willodeen, armed with a magical birthday gift, speaks up for the animals she loves and vows to uncover this mystery.

Rick, a fourteen-year-old foster child, escapes from a juvenile detention facility near Las Vegas and travels to Canyonlands National Park in Utah where he meets a bird biologist working on a project to reintroduce condors to the wild.

"In 2006, the last of China's Yangtze river dolphins--baiji--succumbed to extinction, and la vaquita marina, a diminutive porpoise endemic to the Upper Gulf of California, quietly and without fanfare inherited the title of world's most endangered marine mammal. Unlike many other critically endangered species, the vaquita is not hunted. Nor is its habitat disappearing or degraded. The species is even protected by law. Why then have its numbers plummeted...

The Aldens head to Ladakh, a territory in northern India, to help save the elusive and critically endangered snow leopard.

First published in 1949, Aldo Leopold's A Sand County Almanac remains an enduring and beloved work of literature. It is also a foundational text in wildlife ecology, envisioning and embracing an ethic that treats land not as a commodity but as a community of soil, water, plants, and animals.