| title | ISBN-13 | year of publication |
|---|---|---|
| A Global Citizen: Letter to My Descendants Part 2 | 978-87-7674-153-2 | 2006 |
| Letter to My Descendants | 978-87-7838-475-1 | 2000 |
| Letter To My Descendants | 978-87-7838-329-7 | 1997 |
| Letter To My Descendents | 978-87-7838-473-7 | 1999 |
A.S. · n/a · N.A.S. · n/s · Niels A Skov