Description: In the midst of war, Soren's sister, Eglantine, unwittingly becomes a spy for Kludd, leader of the Pure Ones, a group of evil owls. She is brainwashed by an owl sent by the Pure Ones to infiltrate the Great Ga'Hoole Tree. Her odd behavior eventually attracts attention, and Soren and his friends vow to find out what's wrong with Eglantine. They ultimately learn what happened and help her reverse the effects of the brainwashing. Kludd continues to battle against the Guardians of Ga'Hoole for control of their tree. In the end, Kludd and his forces are defeated, but his conflict with Soren is not yet over.

Description: Soren's beloved mentor, Ezylryb, is finally back at the Great Ga'Hoole Tree. But all is not well. There's a war between good and evil in the owl kingdom. On one side is a group led by Soren's fearsome brother, Kludd, who wears a terrifying metal mask to cover his battle-scarred face. On the other side are the owls of the Great Ga'Hoole Tree, who must fight to protect their legendary tree from Kludd's attacks. Soren, his friends, and the other owls at the Great Ga'Hoole Tree enter into fierce combat against Kludd's forces. They win a major battle, but warfare is not over yet.

Description:Ever since Soren was kidnapped and taken to the St. Aegolius School for Orphaned Owls, he has longed to see his sister, Eglantine, again. Now Eglantine is back is Soren's life, but she's been through an ordeal too terrible for words. Deep within Soren's gizzard, something more powerful than knowledge tells him there's a connection between these mysterious events.

Description: It began as a dream, a quest for the Great Ga'Hoole Tree, a mythic place where each night an order of owls rises to perform noble deeds. There Soren, Gylfie, Twilight, and Digger hope to find inspiration to fight the evil that dwells in the owl kingdom. The journey is long and harrowing. When Soren and his friends finally arrive at the Great Ga'Hoole Tree, they will be tested in ways they never dreamed and face challenges they never imagined. If they can learn from their leaders and from one another, they will soon become true Ga'Hoolian owls, honest and brave, wise and true.

Description: Soren is born in the forest of Tyto, a tranquil kingdom where the Barn Owls dwell. But evil lurks in the owl world, evil that threatens to change Soren's life forever.Soren is captured and taken to a dark and forbidding canyon where there is a mysterious school. It's called an orphanage, but Soren believes it's something far worse. He and his new friend, the clever and scrappy Gylfie, find out that the orphanage is actually a training camp. Soren and Gylfie know that the only way out is up. To escape, they will need to do something these fledglings have never done before: fly. And so begins a magical journey. Along the way, Soren and Gylfie meet Twilight and Digger. The four owls band together to seek the truth, be reunited with their families, and protect the owl world from unimaginable danger.