"When Nyra and the Striga join forces to wake the hagsfiends, powerful evil beings who have not been seen in many centuries, the Guardians form an alliance of free creatures to oppose them."@en
"The strange, maniacal blue owl known as the Striga has been rousted from the Great Ga'Hoole Tree. Nyra, leader of the vicious Pure Ones, is either dead or laying low in some distant land,leaving the tree finally at peace. As if fed by an invisible spring, learning and the lively arts flourish at the great tree and spread throughout the owl kingdoms."@en
"After a malignant power is summoned, the six owl kingdoms prepare for war, and while the Guardians of the the Great Ga'Hoole Tree call together an army of gadfeathers, kraals, polar bears, green owls, puffins, seagulls, and dire wolves, another army of free creatures travels to the Hot Gates of the Beyond."@en
"The strange, maniacal blue owl known as the Striga has been rousted from the Great Ga'Hoole Tree. Nyra, leader of the vicious Pure Ones, is either dead or laying low in some distant land, leaving the tree finally at peace. As if fed by an invisible spring, learning and the lively arts flourish at the great tree and spread throughout the owl kingdoms."@en

The war of the ember