The book includes examples of work by Henri Chopin, Brion Gysin, Dom Sylvester Houédard and Emmett Williams, related texts by Guillaume Apollinaire, Lewis Carroll and Man Ray, as well as precursors such as Rabelais' Bottle Oracle, Giambattista Palatino's Sonetto Figurato, Arabic Kufic calligraphy and the Cretan Phaistos disc. With an introduction written by William Cobbing, Rosie Cooper, Andrew Hunt, and Fraser Muggeridge. Text source: http://www.cornerhouse.org/bookstore/product/concerning-concrete-poetry.