WJ
Walter M. Miller Jr.
Walter Michael Miller Jr. was an American science fiction writer. He wrote short stories that became a celebrated fix-up novel, A Canticle for Leibowitz (1959). His only novel published in his lifetime, it won the 1961 Hugo Award for Best Novel.
Excerpt from Wikipedia, available under CC BY-SA 4.0.
Books

A Canticle for Leibowitz
1997
ISBN 9780808520931
Conditionally Human
2016
ISBN 9781479420827