A Bike at Large is the fourth book in Jo's best-selling 'At Large' series. When he's overtaken by a jogger on a borrowed mountain bike, Jo knows it's time for drastic action. Welcome to the world of a man in his 60s and his new e-bike, Columbanus. His first injury occurs literally within one yard - setting off for his first practice ride round a car park, he misjudges the width of the handlebars and scrapes...