Ellin Oliver Keene is the author of To Understand (2008), coauthor of Comprehension Going Forward (2011), and coauthor of Mosaic of Thought, Second Edition (2007), all published by Heinemann. She is also the author of Assessing Comprehension Thinking Strategies (Shell, 2006). She has been a classroom teacher, staff developer, and adjunct professor of reading and writing. For sixteen years she directed staff development initiatives at the Denver-based Public Education & Business Coalition. She served as Deputy Director of the Cornerstone Initiative at the University of Pennsylvania for 4 years, where she oversaw literacy and professional learning for teachers in high-poverty schools throughout the nation. Ellin Oliver Keene is a Heinemann Professional Development provider. She now provides long-term professional development residencies in partnership with Heinemann Professional Development. She lives with her husband, David, and daughter, Elizabeth, in Denver and works with schools and districts around the country.