Here is the three original Postscript Books. They are the classic way to learn PS. The Blue Book (Tutorial and Cookbook) https://archive.org/details/postscrip

Here is the three original Postscript Books. They are the classic way to learn PS. The Blue Book (Tutorial and Cookbook) https://archive.org/details/postscriptlangua0000unse https://archive.org/details/postscriptlangua0000unse The Red Book (Language Reference) https://archive.org/details/postscriptlangua0000unse_l1h3 https://archive.org/details/postscriptlangua0000unse_l1h3 The Green Book (Language Design) https://archive.org/details/PSGreenBook https://archive.org/details/PSGreenBook