Penetration Testing: A Hands-On Introduction to Hacking
Georgia Weidman
Database Systems: A Practical Approach to Design, Implementation, ...
Thomas Connolly & Carolyn Begg
sed & awk Pocket Reference
Arnold Robbins
Serverless Development on AWS
Sheen Brisals & Luke Hedger
grep Pocket Reference
John Bambenek & Agnieszka Klus