Frank Macdonald's reputation for colourful characters, subtle satire and social conscience is omnipresent in the hilarious adventures of Cape Breton pals Tinker and Blue in late-'60s San Francisco. At age 19 and 20, respectively, Tinker Dempsey and his oldest friend Blue figured it was time they followed generations of Cape Bretoners and crossed the Canso Causeway, if for no other reason than to find a few stories they could call their own when their wandering ways brought them back home. It had been Blue's idea to drive their fourth-hand 1957 push-button Plymouth out to San Fran-cisco to...