Winner of the 1961 Hugo Award for Best Novel and widely considered one of the most accomplished, powerful, and enduring classics of modern speculative fiction, Walter M. Miller's A Canticle for Leibowitz is a true landmark of twentieth-century literature—a chilling and still-provocative look at a postapocalyptic future.

In a nightmarish, ruined world, slowly awakening to the light after sleeping in darkness, the infantile rediscoveries

When the first warm breeze of Doomsday came wafting over the Shenandoah Valley, the Sumners were ready. Using their enormous wealth, the family had forged an isolated post-holocaust citadel. Their descendants would have everything they needed to raise food and do the scientific research necessary for survival. But the family was soon plagued by sterility, and the creation of clones offered the only answer. And that final pocket of human civilization