Mueller, John, 1958- SAMS teach yourself Windows XP in 21 days / Teach yourself Windows XP in 21 days Windows XP in 21 days John Paul Mueller. - Indianapolis, IN : Sams, c2002. - xviii, 746 p. : ill. ; 24 cm. Includes index. ISBN: 0672322633 LCCN: 2001-093495 Subjects--Uniform Titles: Microsoft Windows (Computer file) Subjects--Topical Terms: Operating systems (Computers) LC Class. No.: QA76.76.O63 / M835 2002 Dewey Class. No.: 005.4/469