Written by Walter H. Miller, this post-apocalyptic novel centres on an order of monks practising a variant of catholicism which has grown up in the post-holocaustal world, and where everyday prosaic items from prior to the apocalpse have been imbued with huge religious significance.
One of the key figures in this religion, is Leibowitz, ironically, a jew
A Canticle for Leibowitz is one of the most critically acclaimed works of the science-fiction genre both for writing and concept. Unfortunately, the sequel "St Leibowitz and the Wild Horse Woman" released some 20 years after the original novel does not live up to it.