
Gary Demonte Chapman is an American author, radio talk show host, and Baptist minister. Chapman is most noted for his The Five Love Languages series regarding human relationships.
Excerpt from Wikipedia, available under CC BY-SA 4.0.

Now You're Speaking My Language Honest Communication and Deeper Intimacy for a Stronger Marriage
2007
ISBN 9780805444605
The Heart of the 5 Love Languages (Abridged Gift-Sized Version)
2009
ISBN 9781575673844
The 5 Love Languages Men's Edition
2009
ISBN 9781575678870
Kjærlighetens fem språk
2001
ISBN 9788252034943
The 5 Love Languages of Teenagers
2024
ISBN 9780802493774
The 5 Love Languages Singles Edition
2025
ISBN 9780802467850
As cinco linguagens do amor
ISBN 9788573258929