Told in alternating voices, determined to make a difference and heal from their troubled pasts, teens Ana and Leandro fight to protect California wildlife and the endangered puma.

When the Discover Cryptids crew arrives in Arkansas to investigate the Ozark Howler, possibly an escaped exotic big cat, they find themselves in direct competition with a rival television crew for the program Bump in the Night--but when they are examining signs of the monster Gabe falls into the river and is swept away.

A young boy encounters all sorts of cats while searching for the one he lost.

"For Vega and her family, salmon is life. And Vega is learning to be a salmon finder, preparing for the day when she will be her family's matriarch. But then she and her brother Deneb are separated from their pod when a devastating earthquake and tsunami render the seascape unrecognizable. Vega must use every skill she has to lead her brother back to their family. The young orcas face a shark attack, hunger, the deep ocean, and polluted waters on...

Fifteen-year-old Ben must cope alone when a mysterious sniper begins shooting the big cats in his family's private zoological preserve.

When Anna Clare seems to see various animals in or around her bathtub, she and her mother talk about the swimming habits of mammals.

After becoming quite curious about the purpose of their belly buttons, Eddie the puppy, Lucy the piglet, and Alabaster the cat find Mommy pig, who explains why belly buttons are important.

At Uncle Linus's house, Cassie and Mike pursue his striped cat Pumpkin through a closet into a variety of different worlds, seeing a tiger, lion, and snow leopard in their natural environments.

Fifth-grader Ronnie and Ms. Lernin tour the Cenozoic Era, where they encounter three kinds of mammals--monotremes, marsupials, and placental mammals--and other animals with which they shared the Earth.