Professor Peter (Arts University Bournemouth) Parr 
Sketching for Animation [PDF ebook] 
Developing Ideas, Characters and Layouts in Your Sketchbook

Drawing and sketching are central to the art of animation and can be crucial tools in designing and developing original stories, characters and layouts.
Sketching for Animation offers a wealth of examples, exercises and tips from an army of professional animators to help you develop essential sketching, technical drawing and ideation techniques.
With interviews and in-depth case studies from some of today”s leading animators, including Bill Plympton, Glen Keane, Tori Davis and John Canemaker, this is a unique guide to turning your sketchbook – the world”s cheapest, most portable pre-visualisation tool – into your own personal animation armory.