BARTH-HAAS HOPS COMPANION , 2nd ED. ; 176 PAGES ; ILLUSTRATED BARTH-HAAS HOPS COMPANION - A BREWER'S GUIDE TO HOP VARIETIES AND HOP PRODUCTS Published by John I. Haas, Inc. Copyright 2013. Stated, 2nd Edition. No ISBN #. Soft Cover , Spiral Bound. 176 pages. Illustrated. Text material compiled by the Publishers. The book is

; 176 PAGES ; ILLUSTRATED.