---
title: "Knock Three-one-two"
author: "Fredric Brown"
genre: "Science Fiction, Mystery / Thriller"
category: "Fiction"
themes: "Criminal investigation;Psychological instability (or psychopathy);Suspense and suspense building;Technological/Scientific implications"
isbn_13: "9783988267474"
isbn_10: "3988267473"
asin: "3988267473"
bnid: "1148868337"
amazon_link: "https://www.amazon.com/dp/3988267473"
bn_link: "https://www.barnesandnoble.com/w/knock-three-one-two-fredric-brown/1148868337"
source_url: "https://marciebooks.co/?search=Knock%20Three-one-two"
data_license: "CC BY-NC 4.0"
---

# Knock Three-one-two

## Context
Marcie Books is dedicated to improving author discovery. We focus on showcasing experienced authors who have mastered their craft and gained reader appreciation. marciebooks.co is a data feature of marcie.app where writers can do more of what they love. Write!