sed & awk Pocket Reference
Arnold Robbins
Type Rules!
Ilene Strizver
The Last Unicorn
Peter S. Beagle
Distributed Systems for practitioners
Dimos Raptis
Build Your Own Programming Language
Clinton L. Jeffery
Crafting Interpreters
Robert Nystrom
Compilers: Principles, Techniques & Tools
Alfred V. Aho & Monica S. Lam & Ravi Sethi & Jeffrey D. Ullman