Book List:6 titles
  • A new world means a world of trouble... The Paragon Engine, a machine that can unlock portals to any dimension throughout the universe, is the most powerful and dangerous invention in Templar history-and the Grey Griffins have just been pulled t...


  • In just one semester at Iron Bridge Academy, The Grey Griffins have already had quite an education-clockwork robots, students with super powers, and a hidden land beyond our world where mystical creatures and incredible inventions exist. But as secon...


  • Max---the leader Natalia---the brains Ernie---the changeling Harley---the muscle A year ago, the Grey Griffins were just regular kids from Avalon, Minnesota. That was before they learned about the existence of evil fairies, werewolves, and other thi...


  • Max Sumner and the Grey Griffins must stand together with the Knights of Templar against a deadly evil..... Now, Max, Harley, and Natalia face the greatest challenge of their lives, as Max must come to terms with his father's most wicked betrayal, a...


  • The epic battle against an evil beyond expectation begins... When Max Sumner and his friends, the Grey Griffins, Ernie, Natalia, and Harley, are invited to Lord Sumner's castle in Scotland, they look forward to a relaxing vacation. But things go h...


  • Can the Grey Griffins save their town from the evil Shadow King? Max Sumner and his three best friends, Harley, Ernie, and Natalia--who form the secret club The Grey Griffins--seem to be the only people in their very normal Minnesota town to notic...