grep Pocket Reference
John Bambenek
CompTIA Linux+ Guide to Linux Certification
Jason Eckert
Sociology in a Changing World
William Kornblum
The Everything Economics Book
David A Mayer
Introduction to Sociology 2e
Heather Griffiths & Nathan Keirns & Gail Scaramuzzo & Susan Cody-Rydzewski & Eric Strayer & Sally Vyrain