Carol Vukelich is the Director of the Delaware Center for Teacher Education, Deputy Dean of the College of Education and Human Development, and the Hammonds Professor in Teacher Education at the University of Delaware. Her research interests include early literacy development and children's writing development. Dr. Vukelich is coauthor of Teaching Language and Literacy: Preschool through the Elementary Grades , 5th ed. (Pearson, 2014) and Building a Foundation for Preschool Literacy , 2 ^nd ed. (International Reading Association, 2009). She co-directed three Early Reading First projects: the Delaware Early Reading First project, the Opening Doors to Literacy project, and the Unlocking Doors to Enhanced Language and Literacy project.

James Christie is a Professor Emeritus in the T. Denny Sanford School of Social and Family Dynamics at Arizona State University, where he taught courses in play and early language and literacy development. Dr. Christie has coauthored Play, Development, and Early Education (Allyn & Bacon, 2005), Teaching Language and Literacy: Preschool through the Elementary Grades, 5 ^th ed. (Pearson, 2014), and Building a Foundation for Preschool Literacy , 2 ^nd ed. (International Reading Association, 2009). He co-directed three Early Reading First projects: the Arizona Centers of Excellence in Early Education in San Luis, AZ; the Mohave Desert Coalition in Bullhead City, AZ; and Pump Up the Volume in Preschool in Gallup, NM.

Billie Jean Enz is an Emeritus Professor of Early Childhood Education at Arizona State University, where she taught and served as an administrator for 25 years. She has co-authored several texts on mentorship and new teacher development and is the founder of the Beginning Educator Support Team (BEST) program. Her research interests include language and literacy development and family literacy. Dr. Enz has co-authored Teaching Language and Literacy , 5th ed. (Pearson, 2014) and Assessing Preschool Literacy Development (International Reading Association, 2009). She also served as the founding executive director for Educare Arizona.

Kathleen A. Roskos is a professor of educationat John Carroll University, where she teaches courses in reading assessment and instruction. Dr. Roskos has co-authored several texts, among them Teaching Language and Literacy , 5th ed. (Pearson, 2014), The Early Literacy Materials Selector (Corwin, 2012) and Nurturing Knowledge (Scholastic, 2007). She co-directed two Early Reading First Projects: Lorain Centers for Early Literacy Excellence in Lorain, Ohio, and Akron Ready Steps in Akron, Ohio.