This book exposes the various manifestations of mistreatment of teachers by principals, offering practical solutions for its prevention and correction. Information comes from a study involving interviews with elementary and secondary teachers from rural, suburban, and urban areas across the United States and Canada. The book provides tools necessary to identify destructive behavior and raises awareness of this common phenomenon in order to break the cycle of abuse. Key features include real-life examples and testimonials; specific forms and indicators of mistreatment, categorized into three levels; descriptions of the effects on schools and teachers, professionally and personally; and solutions for overcoming this problem. Seven chapters focus on: (1) "The Problem of Principal Mistreatment of Teachers"; (2) "The Many Faces of Moderate Mistreatment: From Discounting Teacher to Offensive Personal Conduct"; (3) "Escalating Mistreatment of Teachers: From Spying to Criticism"; (4) "Severe Mistreatment of Teachers: From Lying to Destruction"; (5) "The Effects of Principal Mistreatment of Teachers: Lasting Wounds and Damaged Schools"; (6) "Worlds of Pain: The Undoing of Teachers"; and (7) "Overcoming the Problem of Principal Mistreatment of Teachers: What Can We Do?" (Contains approximately 225 references.) (SM)