“Directly you are in motion you will feel quite helpless, and experience a sensation of being run away with, and it will seem as if the machine were trying to throw you off.” The bicycle was little more than a confusing craze back in 1877. The London Library has just uncovered some fascinating and hilarious vintage educational pamphlets on everything from ‘The Gentlewoman’s Book of Sports’ to ‘Cycling As a Cause of Heart Disease.’