The Golden Age of snowmobile manufacturing was from 1968-1976 with a gradual slow down leading to 1982. During this time literally hundreds of snowmobile manufacturers sprung up and then disappeared. This book is a look at all the most interesting, rare, or collectible snowmobiles from that time period. The big names like Arctic Cat, Polaris, Ski-Doo, Yamaha, John Deere, Scorpion, Snow-Jet, Mercury, Rupp, Moto-Ski, to the many small-company brands like Allied, Boa Ski, Chaparral, Evinrude, Harley Davidson, Johnson, Polaron, Sears, Skiroule, Sno Prince, Viking, and even includes a chapter of collectible racing snowmobiles in the hobby. This book would be a benefit to anyone interested in sleds from this time period or looking to buy a more collectible sled from this era.Bertolino, Jon is the author of 'Vintage Snowmobiles The Golden Years 1968-1982', published 2007 under ISBN 9781583881934 and ISBN 158388193X.