Marilyn L. Grady, is professor of educational administration at the University of Nebraska-Lincoln (UNL). She is the author or coauthor of 23 books, including "From Difficult Teachers to Dynamic" "Teamwork" (2009) with Brock, "Getting it Right from the Start" (2009) with Kostelnik "From First Year to First Rate" (2007) with Brock, "194 High-Impact Letters for Busy Principals ("2006)", 20 Biggest Mistakes Principals Make and How to Avoid Them" (2004) and "Launching Your First" Principalship (2004) with Brock. Her research areas include leadership, the principalship, and superintendent-board rel...