The Hundredth Anniversary of the Birth of Lord Trenchard By Books / Paperback Transportation › Aviation Publisher: Bowaters Paper Sales Ltd., Price $29.29 Free Shipping Send to a friend Used - Acceptable Acceptable condition. (Lord Trenchard, Aviation, Military History) $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.