Here are the best anatomy books in my opinion: Eliot Goldfinger - Human Anatomy for Artists Stephen Rogers Peck - Atlas of Human Anatomy for the Artist Gottfried Bammes - Die Gestalt des Menschen George b. Bridgman - Complete guide to drawing from life + Michael Hampton- Figure Drawing - Design and Invention *good…
For human anatomy best ones in my collection are: Stephen Rogers Peck - Atlas of the Human Anatomy for the Artist (Basic anatomy from bones and muscles to veins etc.) George Bridgeman - Complete Guide to Drawing from life (More how different muscles and bones work and are connected etc. Also covers a great deal of basic…
Go back to your anatomy and study rimary and secondary forms. Currently the overall anatomy of thhis character is a mess. There are massive issues with legs, the back, torso, face, arms. review your anatomy and take it step at a time.
To add to Dustin's suggestion, Stephen Peck's Atlas of Human Anatomy for Artists is also a fantastic resource. If you start going into creatures and other things, another great book is An Atlas of Animal Anatomy for Artists.…