Effective awk Programming by Arnold Robbins: Used

Effective awk Programming (3rd Edition) by Arnold Robbins

Effective AWK Programming, 3rd Ed. - A GNU Manual by Arnold Robbins (O'Reilly)

The Debian System: Concepts and Techniques by Martin F. Krafft

Real World Linux Security by Toxen, Bob

Sed and Awk: Pocket Reference, 2nd Edition - Paperback By Arnold Robbins - GOOD

Sed and Awk : UNIX Power Tools by Arnold Robbins and Dale Dougherty (1997)

Effective awk Programming (3rd Edition) by Arnold Robbins