Cassel, Paul Sams teach yourself Windows 98 in 21 days / Paul Cassel and Michael Hart - New Plaza : Techmedia, c1998. - xvi,493 p. : ill. ; 24 cm. ISBN: 8176351164 LCCN: Subjects--Topical Terms: MicrosoftWindows (Computer file) LC Class. No.: QA76.76 / .O63C384 1998 Dewey Class. No.: 005.4469 / C344s