Al-Amaali, is known as “Al-Majaalis” also. His student Al-Najashi has mentioned it as “Al-Amaali Al-Mutafarriqaat”
The great book of Hadith compiled in sessions held in the month of Ramadhan where Sheikh Mufid read the traditions giving the chain of narration ending up to himself and the students wrote them down. Those who were absent wrote down from the recording of their colleagues, and then got it rectified by reading the text over to him. The book contains over 380 Ahadith and is considered as remarkable collection through very authentic chain of narrators in the 5th Hujra century. A paperback book.