Corvette Owners Manuals and Portfolios are often referred to as 'Glove Box Bibles'. These manuals update you about your 1958-2013 Corvette with original factory information and manufacturer's data on proper operation and care. The 1958-80 Manuals are exact quality reprints, while 1981-2013 Manuals are new from GM some may be also be reprints done by Helm (the original printers of the GM Owners Manuals). Portfolios (available only for the years listed below) consist of the promotional package given to new Corvette owners upon purchase from the dealer.