The major sins and clarification of forbidden things by Al-Dhahabi

The Book of Major Sins | Imam Muhammad bin Ahmed bin Qaymaz Al-Dhahabi A book in admonition and guidance, including mention of a number of major sins, prohibitions, and forbidden matters that Allah and His Messenger forbade. And it includes seventy topics, the first of which is shirk with Allah, and the last is cursing one of the companions. Dar Al-Fajr Syria