Thank you ALL...
I will make a recap here and list the links you've gave me.
Books http://www.sobell.com/ Red Hat Fedora Linux 3 Bible, by Christopher Negus
Docs & Manuals http://www.redhat.com/docs/manuals/linux/RHL-9-Manual/
The Red Hat Enterprise Linux 4 manuals may be a closer match to FC3 than the Red Hat Linux 9 manuals.
Installation Guide: http://www.redhat.com/docs/manuals/enterprise/RHEL-4-Manual/x8664-multi-install-guide/
Introduction to System Administration: http://www.redhat.com/docs/manuals/enterprise/RHEL-4-Manual/admin-guide/
System Administration Guide: http://www.redhat.com/docs/manuals/enterprise/RHEL-4-Manual/sysadmin-guide/
Red Hat SELinux Guide: http://www.redhat.com/docs/manuals/enterprise/RHEL-4-Manual/selinux-guide/
Red Hat Enterprise Linux Step By Step Guide: http://www.redhat.com/docs/manuals/enterprise/RHEL-4-Manual/step-guide/
Deployment Guide: http://www.redhat.com/docs/manuals/enterprise/RHEL-4-Manual/desktop-guide/
Developer Tools Guide: http://www.redhat.com/docs/manuals/enterprise/RHEL-4-Manual/devtools/
(more) http://www.redhat.com/docs/manuals/enterprise/
Paul.