Advanced Aerobatics by Geza Szurovy & Mike Goulian is a lesson-by lesson guide to advanced aerobatic maneuvers. This book also provides coverage of training regimes and high-performance aerobatic aircraft.
Basic Aerobatics by Geza, Szurovy & Mike Goulian: Enjoy the aerobatics experience with this complete guide from national champions who tell you not only how to perform the maneuvers, but why the airplane behaves as it does.
Neil Williams was Britains foremost aerobatic pilot and was active in all aspects of flying. His book will take the novice from the first tentative experiments, step-by-step until, matching knowlegde against increasing confidence.
Into Aerobatics is a truly superb DVD that demonstrates basic club aerobatics in a Cessna 150 Aerobat. As well as the pilots' eye view of the manoeuvres, there is plenty of classroom and diagram work to point out further details.