http://b4hntuy3fimfh2227vf4f74emnya7p35i5brtqujs6leqvtclfwvjbqd.onion/doc/alkafi/html/Al-Kafi%20%E2%80%93%20A%20Brief%20Outline%20%E2%80%93%20The%20Islamic%20Seminary%20Inc..html
It is the first and foremost comprehensive book of Hadith dealing
with issues of theology and ethics, practical laws such as laws of
Taharat (cleanliness), laws of worship (prayer, zakat, fasting, hajj and
jihad), laws of business, laws of family and social relations, and
judicial laws. About Al-Kafi Al-Kafi is divided into three major sections totaling 8 volumes: ‘Usul (2 volumes), Fru’ (5 volumes) and al-Rawdah (1 volume).