“America’s Spelling & Reading with Riggs: The Complete Book of Diagrams” is an instructor guide for homeschooling in the subject area of reading skills. Published by The Riggs Institute Press in 1996, the trade paperback book authored by Mary Daly features a teacher’s edition with 162 pages. It is designed for elementary school students at beginner and intermediate levels, focusing on improving reading skills through various diagrams and exercises. This resource, originating from the United States, offers a comprehensive approach to enhancing literacy in a structured and educational format.