'Al-Ahwaz Encyclopedia, in a 18 volume set, containing history, poetry, prose, biographies and more in 18 volumes. Al-Ahwaz (Ahvaz) is a historic city in southwest Iran, with a diverse population of Persians, Arabs, Bakhtiaris, where different cultures mingle and different languages including Arabic and Persian, are spoken. This superb and extensive work is a compilation of the Iraqi Arab writer and professor, Ali Ni'mah Hilo.