Plc books recommended by reddit

The most-mentioned books on r/PLC.

The High Performance HMI Handbook
16 users
Programmable Logic Controllers
7 users
Allen-Bradley PLCs
5 users
Automating with STEP 7 in STL and SCL
5 users
PLC Controls with Structured Text
4 users
Programmable Logic Controllers
3 users

Looking for more? Similar subreddits are apple, artificial, Futurology, KotakuInAction, and slatestarcodex.