The Forty by Abu Saad Al-Naysaburi

Translation

A hadith book that includes forty prophetic hadiths, narrated by the author on the authority of forty companions, and grouped them into forty chapters on religion and the laws of Islam. He arranged the hadiths, supported by their chains of transmission, beginning with the hadiths about the Commander of the Faithful, Omar ibn al-Khattab, and followed by the rest of the Companions, may God be pleased with them.