"For nearly thirty years, Teacher Effectiveness Training, or the T.E.T. book, based on Dr. Thomas Gordon's groundbreaking program, has taught hundreds of thousa

For nearly thirty years, Teacher Effectiveness Training, or the T.E.T. book, based on Dr. Thomas Gordon’s groundbreaking program, has taught hundreds of thous

For nearly thirty years, Teacher Effectiveness Training, or the T.E.T. book, based on Dr. Thomas Gordon’s groundbreaking program, has taught hundreds of thous

UPDATED 2019 EDITION • The pioneering book that’s guided millions of parents to more effectively resolve conflicts, communicate, and create loving relations