The Book of a Hundred Hands
(Dover Anatomy for Artists)
This is specifically for hands, the most complex body part, some say. Anyway, a different kind of doodle. Such books help you to see, as well as to draw.
Drawing with Children: A Creative Method for Adult Beginners, Too
by Mona Brookes
Lots of us can't draw and don't know where to start. This is such a good place. It's not about doing the impossible, or having a rare talent, but about seeing a new way.
Drawing on the Right Side of the Brain
Again, here is a different approach to drawing because it is a different approach to seeing. Not a children's text, like Mona's above, but a helpful one. You can learn from this.
The Artist's Complete Guide to Facial Expressions
Though admittedly beyond the average ambition, this book does help you to understand faces, and the muscles behind particular facial expressions. It's really almost more of a psychology book.
Ernest R. Norling
Perspective Made Easy (Dover Art Instruction)
This text is very simple, and you do can learn to use perspective. Another game changer. You can learn the rules and enjoy drawing.
This Master Penman has several intriguing YouTubes that will challenge you to rethink the cultural rejection of handwriting. He is an artist, but with an unusual combination of craft, research, and visual beauty.
Your Handwriting Can Change Your Life.
In this book, Vimala Rodgers gives a sense of the extent to which the brain and hand are connected, such that our writing comes from a much deeper part of ourselves than merely our (sometimes incompetent) hands. Very interesting, and will change how you view handwriting. Writing is an important part of language, not only because it is written language, but because your language centers are close to your hand map in the brain, and there is a direct connection with language development.