Shadow in the Dark by Antony Barone Kolenc
An immersive mystery and an amateur sleuth set in the walls of a 12th century English monastery
How Can You Still Be Catholic? By Christopher Sparks
There are many good apologetics books out there but this book teaches you how to speak to the heart as much as the head.
Canticle for Leibowitz by Walter M. Miller Jr.
In a post-apocolyptic world a small Catholic monastery fights to preserve civilization for the next age.