Young wild colt Sky must find his way over rough terrain to rejoin his family after being captured for the Pony Express.

Life for Roz and the animals on their island is perfect: wild, natural, harmonious. Her son Brightbill has even found a mate! But then, one day an injured seal washes ashore and warns of dangerous, cloudy waters that are flowing toward the island and soon the animals are forced inland to fight over dwindling resources. Roz calms and organizes the animals, but the poison tide takes a terrible toll on the island. And when the robot discovers that her...

"Johannes, a free dog, lives in a park hemmed in on three sides by dense human neighborhoods, and on one side by the ocean. His job is to be the Eyes--to see everything that happens within the park and report to the park's elders, three ancient bison whoensure the Equilibrium. His friends--a stalwart seagull, a mordant raccoon, a one-eyed squirrel, and a pelican who can read--work with him as the Assistant Eyes, observing the humans and other animals...

In a moment of fright, Sylvester the donkey asks his magic pebble to turn him into a rock but then can not hold the pebble to wish himself back to normal again.