Grey Griffins Series by Derek Benz, J.S. Lewis

This irresistible first novel tells the story of four friends who find themselves caught up in the dangerous quest to save their town when the wicked creatures from their card game come to life.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 notice that strange things have started to happen... moreThis irresistible first novel tells the story of four friends who find themselves caught up in the dangerous quest to save their town when the wicked creatures from their card game come to life.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 notice that strange things have started to happen. When creatures like goblins and fairies and unicorns, all characters from a card game the Grey Griffins play, begin to make appearances in Max's backyard, Max and his friends know something is terribly wrong. And it's up to them to stop the wicked creatures of the cards from destroying their town-indeed, their world. less

In THE RISE OF THE BLACK WOLF Max and his fellow Grey Griffins, Ernie, Harley, and Natalia, set off on another extraordinary adventure - traveling to Scotland to visit Max's dad for the winter holidays. It doesn't take long before strange things start to happen to the four kids while they explore Mr. Sumner's ancient castle. Once again, the Grey Griffins must do battle with the forces of evil - Fireball Pixes, Werewolves, and Morgan the Black Witch... moreIn THE RISE OF THE BLACK WOLF Max and his fellow Grey Griffins, Ernie, Harley, and Natalia, set off on another extraordinary adventure - traveling to Scotland to visit Max's dad for the winter holidays. It doesn't take long before strange things start to happen to the four kids while they explore Mr. Sumner's ancient castle. Once again, the Grey Griffins must do battle with the forces of evil - Fireball Pixes, Werewolves, and Morgan the Black Witch. But when Max's dad disappears, it's up to the Grey Griffins to rescue him, with the help of Knights of Templar! less

The action-packed third installment of the legend of the GREY GRIFFINS!The epic battle between the Grey Griffins and forces of evil continues, as Max, Harley, and Natalia face off against Morgan La Fey and Lord Sumner. The friends also struggle to find a way to save Ernie, who remains trapped in an enchanted coma, and Max must come to terms with his father's most wicked betrayal. The Grey Griffins and the Templar knights stage the last stand-off to save the world and the Land of Faerie....