Choresm-Schahs
The Khofi Alayee was written by Zayn al-Din Gorgani (1040–1136) also spelled al-Jurjani, after writing the first great Persian medical encyclopedia, the Zakhireye Khwarazmshahi also wrote the Khafi Alayee in the Persian language as a contracted form of the "Zakhireye Khwarazmshahi". Khofe alaei becomes easier to read than the original "Zakhireye Khwarazmshahi". The Khafi Alayee is a pocket book so that a reader can easily carry it in a journey as manual of emergency medicine. Khoffi Alayee, means Alayee Book, because it was dedicated to Alā ud-Dīn Atsiz, - Alayee, the young prince of Khwarazmian dynasty (died 1156).