"This book is a well written text that tackles a crucial set of questions for the contemporary Church with an organized and clearly executed take on the matters at hand."?Christopher Kaczor, author of Thomas Aquinas on Faith, Hope and Love and Thomas Aquinas on the Cardinal Virtues.

"The nagging challenge we face, as disciples of Jesus Christ, regarding cooperation with evil in our daily choices has bugged us since Pentecost Sunday. So many savvy and sensitive scholars have offered us guidance, but we?re ever looking for more. Well, we?ve found one here in Father Ryan Connors"?Timothy Michael Cardinal Dolan, Archbishop of New York

"This book on cooperation with evil could not be more timely. In today?s society, Catholics and their pastors are increasingly faced with thorny questions about whether certain activities may inadvertently contribute to moral evil. Father Ryan Connors provides us not only with an illuminating treatment of the theological dimensions of the topic, but with valuable guidance on issues regularly arising in ordinary life as we make decisions about voting, attendance at weddings, and what is required of us as faithful citizens."?Mary Ann Glendon, Learned Hand Professor Emerita, Harvard University, form U.S. Ambassador to the Holy See

"Ryan Connors has put together an extremely useful survey of Catholic authors? thought on the thorny issue of cooperation with evil, beginning as early as the sixteenth century but paying special attention to moralists writing more recently. Ultimately, and very illuminatingly, he compares all these authors? approach to that of Thomas Aquinas. All scholars working in this field today will need to have consulted this book."?Kevin Flannery, SJ, author of Cooperation with Evil: Thomistic Tools of Analysis

"The challenges to living Christian faith in today?s culture are well-known. Father Connors offers interested believers the resources to navigate the murky waters of avoiding immoral cooperation with evil. Living the virtues supplies the answer. This is a much-needed book."?Cardinal Seán Patrick O?Malley, OFM Cap., Archbishop of Boston

"An important contribution to an urgent discussion by one of the Church's brightest young scholars."?George Weigel, Ethics and Public Policy Center

"Ryan Connors has put together an extremely useful survey of Catholic thought regarding the morality of cooperation with evil. The usefulness of this book consists especially in the extent and precision of Connors?s research"?Thomist