Best known for his Hadith works, Imam Abdullah bin Yusuf bin Muhammad al-Zayla’i is the author of Nasb al-Rayah. In this book he goes through the Hadith narrations in al-Hidayah and provides an analysis of accuracy and authenticity.

Imam Jamal al-Deen al-Zaylai must not be confused with Imam Fakhr al-Deen al-Zaylai, who is the author of Tabyeen al-Haqaaiq.

The Imam passed away in 762 Hijri.