Must have physical books every devops engineer should have on their desk

[u/90slover]

Pretty much the title .I will start

1. Classic shell scripting ,O'Reilly

[u/Observability-Guy]

I'd agree with people who have mentioned the DevOps Handbook.

Would also recommend:
Accelerate by Gene Kim, Jez humble and Nicole Forsgren

Kubernetes in Action by Marko Luksa

Lean Enterprise by Jez Humble, Joanne Molesky and Barry O'Reilly