'Asrar al-Tawhid fi Maghamat al-Sheikh Abusa'id' () which translates as ("The Mysteries of Unification") is a famous work of 12th century
Persian literature about the
Sufi mystic
Abusaeid Abolkheir.
Thought to be written by ''Muhammad ibn Monavvar'', one of his grandsons, 130 years after his death, it is also considered a landmark work of
Sufi literature as well as one of the most outstanding
Persian prose works of the 12th century.
See also
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Hagiography
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Persian literature