This book is a memoir of Ruhl's 42 years as a high school science teacher. In this book, he "speaks from the heart," as he shares the joys, challenges, blood, sweat, tears, heartaches, rewards, and stories from his forty-two-year career in the classroom. This book is also an instruction manual for new and veteran teachers. Most importantly, this book is designed to encourage and inspire teachers and administrators who are engaged in one of the most important professions on the planet.