1934 Harley VLD from the Harry V. Sucher Collection

Harry V. Sucher books about the V Twin history are some of the best out there.  Whether writing about Harley-Davidson or Indian, his widely read historical accounts are spot on.  Some of his books include:

The Iron Redskin (June 1977) Harry V Sucher

Harley-Davidson, The Milwaukee Marvel (August 1981) Harry V Sucher

Inside American Motorcycling (1995) Harry V Sucher

Franklin's Indians (2011) Harry V Sucher, Tim Pickering, Liam Diamond, Harry Havelin

Up for sale is his 1934 VLD.  Check with "Classic Motorcycle Consignments" for details.