52 pages. This is an ex-Library book. Paperback book with green cover. B.I.O.S. Final Report No. 1335 - The Fluorspar Industry in Germany. Library stamp to front cover. Pages are mostly clean overall, with moderate tanning throughout. Staple binding is firm with noticeable rust. Text is unaffected. Paper covers have mild edge wear with creasing and scuffing. Visible sunning to spine. Rust marks to covers.