ISBN-13: 9780906094327 / Angielski / Twarda / 1998 / 576 str.
The author's talents spanned many disciplines and this is a collection of works on agriculture, animals, astrology, astronomy, biography, calendars, crops, genealogies, geography, grammar, lexicography, mathematics, medicine, taxes, timekeeping, warfare and weapons. It is reproduced here in facsimile with descriptions of the contents and an introduction and index by the editors. Arabic text.