Harwayne, Shelley: - Shelley Harwayne was affiliated with the New York City public schools for more than thirty years as a teacher, staff developer, codirector of the Teachers College Writing Project, founding principal of the Manhattan New School, and superintendent of District #2 in New York City. She has worked as a consultant and keynote speaker throughout the world and has published numerous books and videos with Heinemann including Learning to Confer (2004), Writing Through Childhood (2001), Lifetime Guarantees (2000), Going Public (1999), Lasting Impressions (1992), Living Between the Lines (1990), and The Writing Workshop: a World of Difference (1987). In addition, Shelley has published two children's books: Jewels and What's Cooking?.

Calkins, Lucy: - "Lucy Calkins is the Founding Director of the Teachers College Reading and Writing Project at Columbia University. For more than thirty years, she has led the Project in its dual functions as a think tank, developing state-of-the-art teaching methods, and a provider of professional development, supporting hundreds of thousands of teachers, principals, superintendents, and policy-makers across the country and around the world. Lucy is the author or coauthor - and series editor - of the reading, writing, and phonics Units of Study series, which are integral to classroom life in tens of thousands of schools around the world. In addition, she has authored scores of professional books and articles. Lucy is also the Robinson Professor of Children's Literature at Teachers College, Columbia University, where she co-directs the Literacy Specialist Program. Her latest professional books include Teaching Writing and Leading Well. Visit UnitsofStudy.com Order Resources by Lucy Calkins"