"Centesimus Annus" is a papal encyclical where the Pope explores and reaffirms the Catholic Church's teachings on social and economic issues. It was written on the hundredth anniversary of "Rerum Novarum," an earlier encyclical addressing issues of labor and the economy. The document discusses the dangers of both socialism and capitalism, and emphasizes the importance of a moral and ethical approach to economics, one that respects human dignity and prioritizes the common good above personal gain.

This book is a collection of the encyclicals issued by Pope John XXIII during his tenure as the head of the Catholic Church. The encyclicals, or papal letters, address a variety of topics including social justice, peace, human rights, and the role of the Church in the modern world. They provide insight into the Pope's theological and philosophical perspectives, as well as his vision for the Church and its mission in society.

"Brother Astronomer" is a memoir that explores the harmonious relationship between science and religion through the eyes of an astronomer who is also a Jesuit brother. The book delves into the author's journey of faith and his passion for astronomy, detailing his experiences working at the Vatican Observatory. It reflects on the broader implications of scientific discovery, the nature of the universe, and the spiritual questions that arise from exploring the cosmos. The narrative combines personal anecdotes, scientific explanations, and philosophical musings to illustrate how the pursuit of scientific knowledge can be a deeply spiritual endeavor.

This book delves into the secret relationship between Pope Pius XI and the Italian dictator Benito Mussolini. The narrative reveals how each man relied on the other to consolidate his power and achieve his political goals, ultimately leading to the Vatican’s endorsement of the Fascist regime. The author uses newly available sources from the Vatican archives to illuminate this dark chapter in the history of the Catholic Church and Italy.