| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Aprenda Powerpoint Visualmente | 978-9977-54-096-2 | 2000 | Ruth Maran |
| Aprenda Windows ME Visualmente | 978-9968-37-027-1 | 2002 | " |
| Master Office? 97 VISUALLY | 978-0-7645-6036-1 | 1998 | Ruth Maran · Paul Whitehead · Maarten Heilbron |
| Microsoft Excel 2000 Simplified | 978-0-7645-6053-8 | 1999 | Ruth Maran |
| Teach Yourself Microsoft Excel 2000 VISUALLY | 978-0-7645-6056-9 | 1999 | " |
| Teach Yourself Microsoft? PowerPoint 2000 VISUALLY | 978-0-7645-6060-6 | 1999 | " |
| Teach Yourself Microsoft Word 2000 VISUALLY | 978-0-7645-6055-2 | 1999 | " |
| Teach Yourself the Internet and World Wide Web VISUALLY | 978-0-7645-3410-2 | 1999 | Paul Whitehead · Ruth Maran |
| Teach Yourself Windows 2000 Professional VISUALLY | 978-0-7645-6040-8 | 2000 | Ruth Maran · maranGraphics |
| Teach Yourself Word 97 VISUALLY | 978-0-7645-6032-3 | 1997 | Ruth Maran |
| Windows 2000 Professional Simplified | 978-0-7645-3422-5 | 1999 | Ruth Maran · Marangraphics Inc. |
K. W. · Klaus Wanke · Klaus Wenig · Klaus Wenk · Klaus Wenke · Klaus. Wensky