Game Anim is a book by Jonathan Cooper (Naughty Dog) that de-mystifies the animation side of game development, explaining every step of the process while providing valuable insights and work philosophies
Book: Game Anim
Acting For Animators
Acting For Animators is an essential book for animators written by Ed Hooks and is the first book about acting theory that is written specifically for animators
Drawn to Life
Drawn to Life is a two volume collection of the legendary lectures from long-time Disney animator Walt Stanchfield. For over twenty years, Walt helped breathe life into the new golden age of animation with these teachings at the Walt Disney Animation Studios.
Animator’s Survival Kit
The Animator’s Survival Kit by Richard Williams is an essential book to own whether you’re a beginner or an expert.
Animator's Resource Kit 