The 5 Love Languages: The Secret to Love that Lasts
2005
fu?nf Sprachen der Liebe, Die: Wie Kommunikation in der Ehe gelingt
2020
The 5 Love Languages of Children: The Secret to Loving Children Effectively
2016
The 5 Love Languages: Military Edition: The Secret to Love That Lasts
2020
Die vier Jahreszeiten der Liebe
2019
Loving Your Spouse When You Feel Like Walking Away: Real Help for Desperate Hearts in Difficult Marriages
2018