The Land of Stories: A Grimm Warning is the third children's fiction novel in The Land of Stories series written by Chris Colfer. The book was first published on July 8, 2014 by Little, Brown and Company (a division of Hachette Book Group, Inc.), New York. In A Grimm Warning, twins Conner and Alex Bailey both face challenges of their own as well as unite to save the Land of Stories from a new threat.