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.

"Soren's sister, Eglantine, is falling under the spell of a strange nightly dream. Then, just as Soren notices her trancelike state, Eglantine disappears, and the dreams become a deadly waking nightmare that puts the Great Tree of Ga'Hoole in terrible danger."--P. [4] of cover.

After earning the right to return to the wolf pack that abandoned him, the exiled Faolan joins the clan as a lowly "gnaw wolf," but his goal of rising in the pack order is threatened when a jealous rival frames him for an unspeakable crime.

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.

"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.

When a terrible danger threatens the wolves of the Beyond, outsider Faolan must take a leadership role and inspire the pack to stand together.

A mysterious blue owl from the Middle Kingdom known as the Striga slowly gains control over Coryn's mind and institutes a harsh new regime that begins to control the learning at the Great Ga'Hoole Tree, where the Band fights to break through to Coryn and force him to acknowledge the Striga's harmful influence.

It is a time of trouble in the Northern Kingdoms because a group of power-hungry polar bears called Roguers has been snatching cubs from their mothers and killing those who resist; but Svenna is not about to relinquish her two cubs to that fate, so she agrees to go with the Roguers and serve Mystress of the Hands if her cubs, who have special powers, are allowed to stay with her cousin--but nobody is truly safe when a way of life is collapsing around...

Estrella is a filly, daughter of the lead mare, one of a shipment of horses bound for the new world, but when the ship is becalmed and the horses are dropped overboard to lighten the load, Estrella finds that it is up to her to lead the herd to land and safety.

Nyroc has glimpsed a new destiny in the of his father's bones. In search of that destiny leaves for The Beyond the Beyond.