Dungeon Crawl books
Here are 4 books with a lot of dungeon crawl, starting with The Trip, In the Shadow of Eight: Surviving the Reality of My Childhood and The Last Days of Hitler.
The TripAudrey J. Cole
In the Shadow of Eight: Surviving the Reality of My ChildhoodCollin Gosselin
The Last Days of HitlerH. R. Trevor-Roper
The Girl Who Kicked The Hornet's Nest #1Sylvain Runberg