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.

The eleventh title in this best-selling series brings Hoole to kingship and the legends to fulfilment signaling a return to the adventures of Coryn, Soren and the Band.

If the brave knights cannot defeat the evil wizard and his army of giant trolls, the castle will be lost!

When the Band is exiled, old friends, loyal family and allies devise a plan to free young king Coryn and the tree from the hold of Striga, a former dragon owl from the Middle Kingdom beyond the Unnamed Sea.

When Agatha wishes she'd chosen a different Happy Ending, she accidentally reopens the gates to the School for Good and Evil. But when the girls return, they notice that the world they knew has changed. Witches and princesses reside at the School for Girls, where they've been inspired to live a life without princes, while Tedros and the boys are camping in Evil's old towers. A war is brewing between the schools, but can Agatha and Sophie restore peace?...