1 v. (various pagings) : ill. ; 28 cm. + 1 computer disk (3 1/2 in.)
Note
System requirements for computer disk: IBM AT (80286, 386, 486) or 100% compatible; 640K RAM (1MB recommended); MS-DOS 3.3 or higher; hard drive with 7MB free space; EGA or VGA graphics card; two- or three-button mouse.