Book excerpt: Relief printing : woodcut, metal type, and wood engraving -- Intaglio and planographic printing : engraving, etching, mezzotint, and lithography -- Color printing : hand coloring and multiple-impression color -- Bits and pieces : modern art prints, oddities, and photographic precursors -- Early photography in silver : daguerreotypes, early silver paper processes and tintypes -- Non-silver processes : carbon, blueprint, platinum, and a couple of others -- Modern photography : developing-out gelatin silver printing -- Color notes : primary colors and neutrality -- Color photography : separation-based processes and chromogenic prints -- Photography in ink : relief and intaglio printing : the letterpress halftone and gravure printing -- Photography in ink : planographic printing : collotype and photo offset lithography -- Digital processes : binary issues, inkjet, dye sublimation, and digital C-prints -- Where do we go from here? : some questions about the future