This book exposes future and new middle school and high school teachers to the Problem-Based Learning Model by walking them through authentic problem situations from inception through inquiry and reflection. This book's approach provides the authentic elements of a problem situation and moves the students into inquiry. It is a text of questions and inquiry processes, not a text of answers. Asked to think like teachers, students are given real-life situations and documents that require problem solving. pre-service and in-service middle and high school teachers.