Guardians of Ga'hoole - Paperback series

Guardians of Ga'Hoole is a children's fictional book series written by Kathryn Lasky and illustrated by Richard Cowdrey. Most of the main characters are owls, and the series is a cross between animal fiction such as Watership Down and epic fantasy. Please note this is my childhood collection and so their condition is rough. No tears or missing pages but they're more suited for reading than display if you know what I mean. Book six is not included, otherwise this is the complete series. Price negotiable.