The book "The Jesuits, 1534-1921: A History of the Society of Jesus from its Founding to the Present" is written by Thomas J. Campbell and is an important source for understanding the history and activities of the Jesuits. The author examines in detail the period from the founding of the Society of Jesus in the 16th century to 1921, studying its influence on the religious, cultural and political life of the world. With the help of extensive sources and analysis, the author reveals the ideology, mission and internal structure of the Jesuit order. The book reveals the Jesuits' role in global mission, education, science, theology and politics. Thanks to his retrospective, the author offers the reader a deeper understanding of the development of the Society of Jesus over the centuries. The Jesuits, 1534-1921 is an important resource for anyone interested in the history of religion, religious orders, and their impact on society.