Doctor Dolittle establishes a swallow mail service for the animals when he discovers that they have their own way of writing.

Prue and Curtis are thrown together again to save themselves and the lives of their friends, and to bring unity to the divided country of Wildwood.

Everyone has been trying to keep Gregor from seeing "The Prophecy of Time". That is because the final prophecy calls for the warrior's death. With an army of rats quickly approaching and time running out, Gregor must defend Regalia and get his family back hom safely. There is a code that must be cracked, or all will be lost. It is a war designed to end all wars. The fates of the Underland and the great warrior, Gregor the Overlander, masterfully unfold...

When her baby brother is kidnapped by crows, seventh-grader Prue McKeel ventures into the forbidden Impassable Wilderness--a dangerous and magical forest in the middle of Portland, Oregon--and soon finds herself involved in a war among the various inhabitants.

Eleven-year-old Gregor and his younger sister, Boots, return to the Underworld beneath New York City to find the cure for a terrible plague that threatens the life of their mother, as well as the lives of the people, bats, and rats who populate the underworld.

When a young girl's midnight seance awakens a long-slumbering, malevolent spirit, a band of runaway orphans teams up with an underground collective of saboteurs to rescue friends imprisoned in an industrial wasteland.

Top notch Boy Scout Max "the Wolf" cannot remember how he came to be in a strange forest, but soon he and three talking animals are on the run from the Blue Cutters, hunters who will alter the foursome's very essence if they can catch them.

A lion cast out from his pride. An elephant who can read the bones of the dead. A baboon rebelling against his destiny. For generations, the animals of the African plains have followed a single rule: only kill to survive. But when an unthinkable act of betrayal shatters the peace, the fragile balance between predators and prey will rest in the paws of three unlikely heroes, each with something to gain--and everything to lose.

Trundle, Esmeralda, and Jack race across the skies of the Sundered Lands in search of the nest of the wondrous phoenix, where they hope to find the Crown of Fire, third of the six lost crowns of the ancient Badger Lords, joining a battle in the skies over Swallowhaven on the way.

Ven, Char, and the merrow Amariel explore the world beneath the sea, where beauty is more than matched by dangers, and soon they realize that in order to save thousands of innocent lives, they may have to sacrifice their own.