Islamic Rules of Spending and Guardianship

Kitab al-Kifalah Wa An-Nafaqaat

This book covers a subject on which little is written about; Islamic rules of spending and guardianship. How does the Qur'aan defiine the subject and what are it's instructions in this regard? 

The author looks into the subject from the point of view of the Qur'aan and Ahaadith (Prophetic traditions.) What did the Prophet sallallahu 'alayhi wasallam say about it?      The Prophet sallallahu 'alayhi wasallam told the Affluent; husbands & parents what their responsibilities were in this regard.

The Prophet sallallahu 'alayhi wasallam laid particular emphasis on raising daughters and looking after widows.  The book traces how the Caliphs dealt with spending and guardianship.