The “Take Control of Mac OS X Backups”
( by Joe Kissell has
been updated to its fourth edition. The 196-page tome is available
for US$15.

Kissell offers advice “that goes far beyond the false security of
simply turning on Time Machine or copying a few files to CD.” He says
the ebook helps readers pick the best backup strategy for their
needs, complete with an at-a-glance comparison of different backup
strategies (low-cost, easy, safest), along with advice for backing up
digital photos and other media.

The ebook has an appendix aimed at readers who want to create their
own backups using Unix on the Mac command line, explains how to
backup Sindows volume for those who run Windows on their Macs, and
comes with coupons for $30 off Data Backup and 10% off CrashPlan.