The Fall and Rise of Reginald Perrin by David Nobbs
Reginald Iolanthe Perrin is sick to death with selling exotic ices at Sunshine Desserts. He's fed up with his boss C.J. who delights in making his life hell. And he's had enough of his eager young assistants who think everything is 'super'. So begins Reggie's battle against consumerism. Driven to desperation by the rat race and the unpunctuality of Britain's trains, Reggie's small eccentricities escalate to the extreme. Until, finally, he leaves behind the unacceptable face of capitalism altogether. Driven off in a motorised jelly, and creating the world's biggest loganberry slick on his way, he dumps his clothes on a Dorset beach and sets off for new adventures...