| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1999 | 978-1-902221-15-1 | Brian Quinn | World Travel Guide |
| 2000 | 978-1-902221-17-5 | Columbus Reiseführer 1999/2000 | |
| 978-1-902221-30-4 | Columbus City Guide - Europe | ||
| 1999 | 978-1-902221-31-1 | Tim Westbrook | Columbus City Guide - Europe: A Unique Guide to 35 of Europe's Most Interesting Cities (Columbus City Guides S.) |
| 2000 | 978-1-902221-35-9 | Mike Taylor | World Travel Atlas (Columbus Travel Guides) |
| 2003 | 978-1-902221-79-3 | Brian (ed) Quinn | World Travel Atlas |
| 2005 | 978-1-902221-88-5 | Peter Korniczky | World Travel Guide |
| '' | 978-1-902221-92-2 | Dominic Tombs | Tourist Attraction and Events of the World: AND World Travel Dictionary |
| 2006 | 978-1-902221-93-9 | David Burles | World Travel Atlas |
| '' | 978-1-902221-95-3 | Sabine Scholz | Columbus Weltreiseführer 2006: Reiseinformationen zu allen Ländern der Erde |