Red Hat Linux 6 : Visual QuickPro Guide Compact Disc Harold Davis

Red Hat Linux 6: Visual Quickpro Guide [With CDROM]

Visual Quickpro Guides: Red Hat Linux 6 : Visual QuickPro Guide by Harold Davis

Linux Complete Command Reference by John Purcell; Red Hat Software

RHCSA/RHCE Red Hat Linux Certification Study Guide, Seventh Edition - VERY GOOD

Fedora Linux: A Complete Guide to Red Hat's Community Distribution

Practical Guide to Fedora and Red Hat Enterprise Linux by Mark Sobell (2013)