Processing: A Programming Handbook for Visual Designers and Artists With this completely revised edition, Casey Reas and Ben Fry show readers how. Processing: A Programming Handbook for Visual Designers and Artists by Ben Fry, Casey Reas, John Maeda download pdf book. Jun 28, 2010 – All right,. With Ben Fry, Reas initiated Processing in 2001. Reas and Fry published Processing: A Programming Handbook for Visual Designers and Artists, a comprehensive introduction to programming within the context of visual media (MIT Press.