The History of Christianity comes alive in this work, presented with its informative, interesting, dramatic narrative that, above all, connects the reader with the faith preached by the Master of Galilee and his followers. True to the facts, this work describes, among other things, the following: The aberrations of the institutionalized church. Theological scholarship with exponents of the stature of Bonaventure and Saint Thomas Aquinas. The expansion of missionary work. The protagonists, dramatic events, and fundamental ideas of Protestantism, Catholicism, and Orthodoxy. The lives, ideas, and achievements of prominent figures such as Martin Luther, Huldrych Zwingli, and John Calvin. The advancement of Christianity amidst events that lead to an era of new horizons, reaching the current unfinished era.