Lasky, Kathryn. Guardians of Ga'Hoole #15

The final book in Lasky's best-selling animal series.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.But unbeknowst to the Guardians, in a long-empty cave deep in the Northern Kingdoms two ruthless villains join forces to conjure an ancient evil, an evil that will do their bidding and wreak havoc on the world. Kathryn Lasky is the Newbery Honor-winning author of over 100 books for children and young adults. Her beloved Guardians of Ga'Hoole fantasy series has more than seven million copies in print, and she is the author of the Daughters of the Sea series and the Wolves of the Beyond series, as well as A Time for Courage and other Dear America titles. Kathryn has also written a number of critically acclaimed historical fiction titles, such as Beyond the Burning Time and True North. She lives with her husband in Cambridge, Massachusetts

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