Please check the photos for the exterior, as there is sun damage, discoloration, yellowing, and a name stamp. The interior is free of writing and can be read without issue. A practical guide to learning UNIX sed and awk. - Title: sed & awk Programming 2nd Edition - Author: Dale Dougherty, Arnold Robbins - Publisher: O'Reilly Japan - Revised Edition: Revised Edition - Condition: Shows signs of aging Thank you for looking.