| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Actualizar y reparar la PC guía visual | 978-9977-54-083-2 | 1997 | Ruth Maran · Paul Whitehead · MaranGraphics |
| Aprenda Office Visualmente | 978-9977-54-006-1 | 1999 | |
| Aprenda Windows 2000 Professional Visualmente / Teach Yourself Windows 2000 Professional (Teach Yourself Visually ) | 978-9968-37-000-4 | 2002 | Ruth Maran |
| Computadoras 4a Edicion -Guia Visual | 978-9977-54-082-5 | 1997 | " |
| Internet Guia Visual / Internet Simplified | 978-9977-54-071-9 | 1999 | Trejos Hermanos |
| Windows 98 Guia Visual Pocket / Windows 98 Simplified Pocket Guide | 978-9977-54-079-5 | 1999 | Trejos Hermanos · Ruth Maran |