Mary Ehrenworth is coauthor of Pathways to the Common Core (with Lucy Calkins and Christopher Lehman). She is Deputy Director of Middle Schools at the Teachers College Reading and Writing Project, Columbia University. She studied history and literature at Harvard and then curriculum theory and adolescent literacy at Columbia, where she received her doctorate - and then has been lucky to work with three subjects she loves - books, children, and teachers. In addition to Pathways, Mary has authored and co-authored numerous books, including: The Power of Grammar; Teaching Reading Through Fantasy N...