3 Books: Guardians of Ga'hoole Series Set # 11, 12, 13 To Be a King, The Golden Tree, The River of the Wind (Guardians of Ga'hoole Set Series Collection, Vol. 12, 13, 14)

Guardians of Ga'Hoole is a fantasy book series follows the adventures of Soren, a young Barn Owl, who lives deep in the forest of Tyto, where the Barn Owls dwell. Soren is born into their tranquil kingdom. But evil lurks in the owl world, evil that threatens to shatter Tyto's peace and change the course of Soren's life forever.