This review of By the Light of the Silvery Moon: Teacher Moonlighting and the Dark Side of Teachers' Work (2018) discusses the descriptions, realities, and challenges faced by teachers who moonlight and the researchers that study them. This book not only defines moonlighting, it offers insight as to why the phenomena occurs, and why researchers, educators, and policymakers should take notice. Each chapter offers a different perspective on teacher moonlighting, highlighting its complicated intricacies, and the impact the phenomena has on the person as well as the profession of teaching. [ABSTRACT FROM AUTHOR]