Three Men on the Bummel. Jerome К. Jerome

"Three Men on the Bummel" is a humorous novel by Jerome K. Jerome. The sequel brings back the three companions who figured in "Three Men in a Boat". Their lives are too stressful and they need a break from the daily mundane, so they put their heads together and come up with a brilliant idea they decide to travel through the Black Forest of Germany on a bicycling tour.