""Caliphs and Sultans"" is a book written by Sylvanus Hanley in 1868, which contains a collection of tales that were not included in the usual editions of ""The Arabian Nights Entertainments."" The book is a fascinating exploration of the world of Arabic folklore and mythology, featuring stories of adventure, romance, and magic. The tales are centered around the lives of the caliphs and sultans, the rulers of the Islamic world, and their interactions...