A Canticle for Leibowitz opens 600 years after 20th century civilization has been destroyed by a global nuclear war, known as the "Flame Deluge." As a result of the war, there was a violent backlash against the culture of advanced knowledge and technology that had led to the development of nuclear weapons. During this backlash, called the "Simplification," anyone of learning, and eventually anyone who could even read, was likely to be killed by rampaging...

In this beautiful story of adventure and survival from the New York Times bestselling author of Room, three men vow to leave the world behind them as they set out in a small boat for an island their leader has seen in a dream, with only faith to guide them. In seventh-century Ireland, a scholar and priest called Artt has a dream telling him to leave the sinful world behind. Taking two monks--young Trian and old Cormac--he rows down the river Shannon...