Maratib al-Ijma' by Ibn Hazm (follow by Naqd al-Maratib by ibn Taymiya)

The famous book of Imam Ibn Hazm listing the subjects on which there is unanimity in the Ummah. A very important and famous book.

Followed by Ibn Taymiyyah Risala coming from lead some critics and corrections on certain points.

Good edition with important annotations for the reader in terms of deepening and understanding.