At Home with Artistic Penwork - Book Four: Engrossing Alphabets, ca. 1994. The purpose of Book 4, Engrossing Alphabets, is to provide basic broad pen alphabets and Engravers Script, also called Engrosser’s Script or Copperplate Script. This book is complete with illustrations and instructions so that advanced students as well as beginners can derive satisfactory benefit from studying the various letter forms. It is also arranged so that it is an excellent guidebook for use in class with the added assistance of an instructor.