The book introduces the reader to the basics of Christian teaching, its various directions, the history of their origin, development and current state. This book is the result of ten years of experience teaching Christian theology to students at Oxford University. The author covers in detail the main doctrinal issues of Christian theology. The narration is distinguished by depth, accuracy, clarity and systematicity. The publication will provide invaluable assistance both as a textbook for theological educational institutions and for those who independently study Christian theology..