Soren, Gylfie, Twilight, and Digger make a harrowing journey to the Great Ga'Hoole Tree, a mythical place where an order of owls rises each night to perform noble deeds, seeking help to fight the evil afoot in the owl world.

"A great battle is on the horizon and drawing near. In preparation, Soren and his band must fly to the mysterious North Kingdoms to find allies and study the grim art of war. Meanwhile, St. Aggie's has fallen to the Pure Ones. If they are not stopped, they will launch another, more deadly attack against the great tree. And without allies from the north, Ga'Hoole will surely fall."--Cover.

Roy, who is new to his small Florida community, becomes involved in another boy's attempt to save a colony of burrowing owls from a proposed construction site.

Enraged by his clash with Soren and driven by and all-consuming desire for power, Kludd and his group, the Pure Ones, launch an attack upon the Great Ga'Hoole Tree. The noble owls who live there must fight fiercely to protect their resources and defend their honor.

Nyroc, son of the evil Kludd and Nyra, is forced to fulfill his dead father's destiny and oppress all of owldom, but when doubt grows in Nyroc's heart he must make an ultimate decision between good and evil.

Together, Soren and Coryn open the second of three ancient volumes left to them by old Ezylyrb to find a tale of heroism and treachery unfolding in a time of chaos, violence, and the deadly magic of hagsfiends.

A hoot owl, Ocax, rules Dimwood Forest and promises to protect the mice as long as they ask his permission to move about. Poppy is a deer mouse under the owl's protection, but when her fiance is killed by Ocax she defies the owl and begins a journey to a new place. Poppy wants to find a place where her family can live away from Ocax, but she has to do it without Ocax catching her.

When Owly asks his mother question after question about the world, she finds just the right ways to help him find the answers.

Bear and his friends persuade a bashful owl to play with them.

Three owl babies whose mother has gone out in the night try to stay calm while she is gone.