Title: The The Gelli Arts® Printmaker's Handbook: Exploring Color, Image Transfers, and Layering Techniques for Creating Art with Gel Plates, Author: Jessica Russo Scherr
Title: Ink for Printmaking: The Art, Craft and Chemistry of Ink, Author: Stephen Hoskins
Title: From Plant to Print: Using natural dyes and pigments in printmaking, Author: Jacqui Symons