Breaking the Biological Barriers to Cellulosic Ethanol By Us Department Of Energy Books / Paperback Special Collections / Author Archives › R. James Woolsey Jr. Collection January 2006 Price $29.29 Free Shipping Send to a friend Collectible - Good Collectible - Good. Scuff on back cover, else Very Good. From the library of political advisor and former Director of the CIA Robert James Woolsey Jr. (biomass energy, ethanol as fuel, cellulose, renewable energy sources) $29.29 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store.