Techno-thrillers are a surprisingly fuzzy category that sits at the border of sci-fi and suspense. In this episode, I give an overview of the subgenre and the different ways it can be classified. Book recommendation: Delta-v by Daniel Suarez Sam Boush on the categories of techno-thrillers. My review of Delta-v. Other books discussed: The Andromeda Strain by Michael Crichton The Hunt for Red October by Tom Clancy Digital Fortress by Dan Brown