R.K. · Roger Kaller · Roger Keeler · Roger Klare
Futura Publications · HarperCollins
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Rules of Success. The A to Z of Lifelaws | 978-0-7088-2199-2 (0-7088-2199-5) | 1982 | |
| You Don't Have to be Mad to Work Here.... | 978-0-00-636668-3 (0-00-636668-6) | 1984 | Edward McLachlan |