Grey Griffins 

Mac Sumner & the Grey Griffins must stand together with the Knights of Templar against a deadly evil... Now Max, Harley, & Natalia face the greatest challenge of their lives, as Max must come to terms with his father's most wicked betrayal, & fellow Griffin, Ernie, still lies trapped in an enchanted coma. But there is more at stake than Max's family & Ernie's life - while Lord Sumner commands the Black Wolf army & has control of the powerful Spear of Ragnarok, the fate of the entire world hangs in the balance. Can the Grey Griffins break the spell on Ernie AND stop Lord Sumner & Morgan La Fey from using the Spear of Ragnarok before it's too late? Find out in the gripping legend of the Grey Griffins & the Fall of the Templar. Read the other books in the Grey Griffins series. The Revenge of the Shadow King & The Rise of the Black Wold. - from Amzon