Educational administrators make a sincere effort to develop a curriculum scope and sequence for students. Yet, with few exceptions, educational administrators make no such effort to develop a similar document for the professional learning of teachers. As a result, teachers often are provided with professional learning activities that lack focus and coherence. The content of _Transforming Professionals into Experts: A Systematic and Comprehensive Approach to Mid-Career Teacher Development_ fills this void. Through clear standards, reflective activities, and differentiated evaluation tools, educational administrators will have everything needed to implement a systematic and comprehensive staff development program for mid-career teachers.