Al-Zarnuji's treatise, Ta'līm al-Muta'allim-Ṭarīq at-Ta'-allum, is a short introduction to the secrets of attaining knowledge. Acknowledged by many[citation needed] as a book in which even the most advanced and experienced teachers find advice they have yet to apply in their teaching, this book serves to create the proper[citation needed] framework for the Sharia program and its students and teachers alike.