Start with high-confidence art teaching & study books, then narrow by subgenre or adjacent topics.
Emphasis Art
Robert D. Clements, Frank D. Wachowiak
The Artist's Complete Guide to Figure Drawing
Anthony Ryder
Art Is Fundamental
Eileen S. Prince
Drawing for the Absolute Beginner
Mark Willenbrink, Mary Willenbrink
Teaching Graphic Design
Steven Heller
