This book was a very useful and resourceful book for me. Any body interested in the historical perspective of materials will want this book in there library. The Author provides valuable information about caulks, pastels, crayons, inks, pens, quills, metal points, and intaglio. The most interesting information the book provided me was recipes for each tool and medium. The author quoted many recipes from old text and sources and then presented more general recipes. One can expect to find the time and region in which these materials and recipes would have been most frequently used.
The information is of great value for a historic perspective on materials and reproducing them. The book is well worth its price. My only complaint is that the book "The craft of old master drawings" doesn't detail information about supports and papers. Despite finding this an intriguing yet disappointing exclusion in a discussion about traditional drawing materials I still give the book five stars for every thing else.