I have for sale 1 copy of The Book of the Douglas 6th edition. Also various reprints by John Withers and Elk Publications in mint condition, such as DT Parts List (no illustrations); 1925 OW & OB Instruction Book; 1927 OC Instruction Book. 1948-51 models Maintenance Manual ; 1948-51 models Spares list(no cover).All £8.00 each plus postage