The KitÃÂb al-BulhÃÂn (), or Book of Wonders, is a 14th and 15th century Arabic manuscript, compiled by Hassan Esfahani (Abd al-Hasan al-Isfahani) probably bound during the reign of Jalayirid Sultan Ahmad (1382âÂÂ1410) in Baghdad. The contents include subjects on astronomy, astrology, and geomancy, including a section of full-page illustrations, with plates dedicated to the discourse topic, e.g. a folktale, a sign of the zodiac, a prophet, etc.