This handbook covers all etching techniques and the developments in photopolymer technology. Photopolymers are plastics which are light sensitive and used in printmaking in the form of films and emulsions which are applied to a backing of metal, plastic or board. The author will also cover acids and aquatint, along with papers, presses and inks. The book includes some historical background of traditional etching and the non-toxic movement. There is a special feature on different kinds of etching and mixed techniques.