Elliott Wave Principle : Key to Market Behavior by Robert R. Prechter Jr., A. J. Frost

The Wave Principle of Human Social Behavior and the New Science of Socionomics by Robert R., Jr. Prechter

At the Crest of the Tidal Wave : A Forecast for the Great Bear Market by Robert R. Prechter Jr., Robert R., Jr. Prechter

The Spiral Calendar by Christopher L. Carolan, Robert R. Prechter