The American author Ralph Nelson Elliott (1871 – 1948), developed by studying stock market data the Elliott wave principle is a form of technical analysis that traders use to analyze financial markets.
Since there are a plenty of books written about this, you can find a selection of good readings from beginner to specialist here.

English books

 

Brian Shannon
Maximum Trading Gains With Anchored VWAP - The Perfect Combination of Price, Time & Volume

Bryan Shannon Maximum Trading Gains

 His second book targeting VWAP trading.
Brian Shannon is a professional trader for more about 25 years. He uses the VWAP intensively.

Brian Shannon
Technical Analysis Using Multiple Timeframes

Bryan Shannon Multiple Timeframes

  His first book targeting VWAP trading.
One of the best trading books ever written.

 

 

German books

 

Auf den Pip

The Masterclass of the EWPips Community.

Learn how they adapt the EW-Theory and how they trade with less effort.

Andre Tiedje
Elliott-Wellen leicht verständlich

 Condensing the important Elliot Waves facts on 239 pages.

Karin Roller
Kursziele bestimmen mit Fibonacci

  A short guide how to trade with Fibonacci Levels

Robert R Prechter
Das Elliott-Wellen-Prinzip

  The Elliot Waves reference

 

English books

Robert R Prechter
Elliott Wave Principle: Key to Market Behavior