Computer & Networking Basics Collection cheapest 2010- Used

Perfect Starter Collection for hardware, programming, networking, and unix languages to construct your own system or learn core basics to create digitally from the ground up.

printed ca. 2010, gently used
includes:
CompTIA A+ 220-701, 220-702 2010
CompTIA Network+ N10-004 2009
CompTIA Security+ Practice Questions SY0-201 2010
Network+ Guide to Networks 2010
UNIX In a Nutshell 1999
Linux Command Line 2009 cheapest