This extraordinary book can be read on several levels. Primarily, it is the story of Joseph Jacotot, an exiles French schoolteacher who discovered in 1818 an unconventional teaching method that spread panic throughout the learned community of Europe. Knowing no Flemish, Jacotot found himself able to teach in French to Flemish students who knew no French; knowledge, Jacotot concluded, was not necessary to teach, nor explication necessary...