| title | ISBN-13 | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| Das Buch vom Wenn. Überraschende Aussichten | 978-3-451-07011-2 | 2001 | Evelyn McFarlane | |
| How Far Will You Go?: Questions to Test Your Limits | 978-0-375-50242-2 | 1999 | " | |
| I Do ...: Questions for the Biggest Day of Your Life | 978-0-345-50414-2 | 2008 | " | |
| If... | 978-0-679-44535-7 | 1995 | " | |
| If . . .: Questions for Parents | 978-0-375-50283-5 | 2000 | " | |
| IF... Questions for Teens | 978-0-375-50555-3 | 2001 | " | |
| If... Questions for the Soul | 978-0-679-45636-0 | 1998 | " | |
| If..., Volume 2: | 978-0-679-45286-7 | 1996 | " | |
| If..., Volume 3: | 978-0-679-45637-7 | 1997 | " | |
| If You Had a Million Dollars . . .: Questions About Your Money and Your Life | 978-0-345-50495-1 | 2009 | " | |
| Was wäre, wenn | 978-3-442-13234-8 | 1997 | Evelyn McFarlane · Evelyn MacFarlane | |
| Wie weit würdest du gehen?: Teste Deine Grenzen - Das Buch der provokativen Fragen | 978-3-502-12461-0 | 2001 | Evelyn McFarlane | |
| Would You?: Questions to Challenge Your Beliefs | 978-0-375-50243-9 | 2000 | " |
Ballantine Books · FISCHER Scherz · Goldmann Verlag · Herder · Random House