The Warden and the Wolf King / Andrew Peterson.

Enhanced descriptions from Syndetics:

PUBLISHERS WEEKLY BESTSELLER * Our intrepid heroes are caught in the middle of an epic showdown between good and evil in the fourth and final novel in the beloved Wingfeather Saga, with more than one million copies sold!

NOW AN ANIMATED SERIES * Based on Andrew Peterson's epic fantasy novels--starring Jody Benson, Henry Ian Cusick, and Kevin McNally. Executive Producer J. Chris Wall with Shining Isle Productions, and distributed by Angel Studios.

All winter long, people in the Green Hollows have prepared for a final battle with Gnag the Nameless and the Fangs of Dang. Janner, Kalmar, and Leeli are ready and willing to fight alongside the Hollowsfolk. But when the Fangs make the first move and invade Ban Rona, the children are separated.

Janner is alone and lost in the hills; Leeli is fighting the Fangs from the rooftops of the city; and Kalmar, who carries a terrible secret, is on a course for the Deeps of Throg. Monsters and Fangs and villains lie between the children and their only hope of victory in the epic conclusion of The Wingfeather Saga.

Full of characters rich in heart, smarts, and courage, The Warden and the Wolf King is a tale children of all ages will cherish, families can read aloud, and readers' groups are sure to enjoy discussing for its many layers of meaning. Extra features include new interior illustrations from Joe Sutphin, funny footnotes, a map of the fantastical world, inventive appendices, and fanciful line art in the tradition of the original Frank L. Baum Wizard of Oz storybooks.

Can't get enough of Aerwiar? Collect the whole set!
ON THE EDGE OF THE DARK SEA OF DARKNESS * NORTH! OR BE EATEN * THE MONSTER IN THE HOLLOWS * THE WARDEN AND THE WOLF KING * WINGFEATHER TALES * PEMBRICK'S CREATUREPEDIA * A RANGER'S GUIDE TO GLIPWOOD FOREST