The need for specialized training for educators in the online environment has become painfully evident in recent times. The mass transition to online teaching brought on by COVID-19 further highlights the need as many educators were suddenly moved to a format few had experienced as teachers or instructors. Foundations, Principles, and Techniques of Online Teaching responds to these needs while providing additional guidance to educators on foundational considerations, inclusivity, instructional design in the online format, and building success for students and educators from primary school through secondary to postsecondary classes. Administrative and legal/ethical issues are also explored, rounding out an inclusive textbook for educators at all levels who are entering or already teaching on the online platform. The text features contributed chapters by experts in online education, teaching skills and modification/adaptation summaries within each chapter, and lists of online resources to supplement the material within the book. Designed to provide readers with a firm foundation upon which to build their online teaching careers, Foundations, Principles, and Techniques of Online Teaching is a timely and salient text for courses and programs in education.