$3 Macworld Guide to System 7.1, 2nd Ed
$3 Macworld Macintosh Secrets
$3 Mac OS X The Missing Manual, Panther Ed
$8 OpenStep For Enterprises (related to NeXT OPENSTEP)
Take all four books for $13
+shipping USPS media mail from 97124.
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http://picasaweb.google.com/simplepractices/FSBooks#5189458928873062898
http://picasaweb.google.com/simplepractices/FSBooks#5263403289166450738