This book is written explicitly for teachers. It offers them principles and strategies to use in motivating their students to learn. Although the book offers theories that explain students' motivational orientations, it focuses on strategies teachers can use to optimize those orientations and direct them toward the academic learning goals of the school. No other book in this field is so explicitly directed to the practical needs of classroom teachers.
How to motivate students? That is an age-old question. Brophy tackles that problem in this book. Without motivation, students simply won't learn. Interesting read.
In the initial chapters there was an illuminative overview of the psychological concepts behind motivation. However the latter half of the book was unnecessary and more of recapitulation of the previously discussed points.