Thirteen-year-old Teddy Fitzroy and his girlfriend, Summer, investigate when a mountain lion is accused of killing a prized dog outside of FunJungle Wild Animal Park in the Texas Hill Country.

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.

Ahab Goldstein is a seventh-grader living in an United States (specifically Maine) where the environment has turned toxic, and the corrupt Environmental Police Force is in control, limiting access to natural resources like gas and water, issuing fines, and transporting "fragile" species (pretty much all of them) to the Center for Species Rehabilitation in New Arcadia (a dubious refuge at best); so when Ahab and his friends find a real live bullfrog...

Illustrations and rhyming text present ten different endangered animals in this easy-reader version of the 2003 tale. Includes note to parents and teachers, as well as activities.

While on her first hiking and camping trip, thirteen-year-old Sammy tries to solve a mystery involving endangered condors while avoiding scorpions, ticks, and embarrassment.

"Cruz and his fellow recruits tackle challenging missions to dispense life-saving medication to gorillas, thwart pangolin poachers, and capture images of the last known cheetahs in Namibia--all the while discovering that protecting the world's threatened species is a dangerous business. Things turn deadly for Lani, Sailor, Emmett, and Cruz as they search for the fourth piece of Cruz's mom's cipher. Cruz knows it's not going to be easy, but will an...

"Nina is used to feeling like the odd one out, both at school and in her large family. But while trying to fit in at summer camp, she discovers something even more peculiar: two majestic birds have built a nest in the marsh behind an abandoned infirmary. They appear to be whooping cranes, but that's impossible--Nina is an amateur bird-watcher, and all her resources tell her that those rare birds haven't nested in Texas for over a hundred years. When...

Rachel and Kirsty must prevent Jack Frost from kidnapping baby animals for his icy zoo while they are at a Nature Reserve.

Bill the crocodile and his toothbrush, Pete the plover, set out to save Bill's cousin, who has been captured along with other endangered animals and taken from Egypt to the Bad Guy's Big Bad Brother's Exotic Animal Farm near New Orleans, Louisiana. When Little Jane Allison Crocodile is kidnapped by the Bad Guy's Big Bad Brother from Louisiana, Bill and his bird buddy Pete head to the rescue. But Pete gets caught by the Rich Lady and it's up to Bill...

Because protecting spotted owls has cost Borden's father his job as a logger in the old growth forest of northern California, Borden intends to kill any spotted owl he sees, until he and his father find themselves taking care of a young owlet.