Al-Hayat az-Zawjiyyah as-Sa’idah - Dr. Ahmad at-Tayyar

There are many books on the subject, but this one is short and to the point, aiming, as its name suggests, to give the keys to a happy martial life:

1. The rules of good conduct to be observed by both spouses
2. The rights and duties of each spouse
3. remedies for disputes and disagreements
   
   

Useful for future brides and grooms, as well as for siblings.