It is a valuable work, whose author has limited it to the expected Imam
al-Mahdi (may Allah hasten his coming.) The author begins the book
with some prophetic traditions confirming the imamate of al-Mahdi (s).
Then he mentions the traditions showing that Allah doesnâ€™t leave the
world without a â€œHujjahâ€. After that he mentions traditions talking
about the disappearance of Imam al-Mahdi, his aspects, biography, rule,
charismata and virtues and he mentions the signs that precede the appearance
of Imam al-Mahdi (s) besides other subjects concerning him.
Sheikh al-Mufeed, after mentioning the traditions that confirm the imamate
of al-Mahdi, says: â€œThe traditions on that are numerous. The
scholars of Hadith have written them down and classified them in their
books. Among those, who have mentioned them with full details and explanation,
is Abu Abdullah Muhammad bin Ibraheem an-Nuâ€™mani in his
The author has finished the book in Thil-Hijja 342AH.
Sheikh Agha Buzurg at-Tehrani in his book â€œath-Thareeâ€™aâ€ says: â€œIt
appears, according to some references, that the book was called or
known as Malaâ€™ al-Ayba fee Tool al-Ghayba.â€