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Rating: 
Summary: An Outstanding Book On The Market!!
Review: John Ehlers has again written a book that I believe is detined to become an "investment classic". I have three things I look for in investment books and newsletters:
1) Original Research
2) Explained Methodology
3) Actionable Strategy Many books deemed "classics" fail to meet one or more of these criteria. Very few meet all three. John Ehlers is rare in achieving all three with his works. 1) Original Research - Original research is key to being successful in the market. A technique that everyone knows is unlikely to work very well for trading or investing. Ehlers is a pioneer in applying advanced cycle measurement theory (MESA - Maximum Entropy Spectral Theory) to the stock market. In Cybernetics he extends and builds on his cycle work by also applying very advanced and sophisticated Digital Signal Processing (DSP) techniques to trading the market. More information on Ehlers MESA work can be found at www.mesasoftware.com. To my knowledge there is no one else using and reporting on the application of DSP to the market. 2) Explained Methodology - In my opinion this is where Ehlers really shines. While these DSP techniques are extremely sophisticated and mathematically intense, Ehlers cuts to the chase in a very concise fashion, explaining the core principles, presenting the math, but leaving the derivations and complication to the textbooks and the engineers. Ehlers makes the techniques acceessible to the trader/investor without trying to turn the reader into an Electrical Engineer. 3) Actionable Strategy - all the tools presented in the book are fully disclosed and accompanied by complete TradeStation Easy Language Code and eSignal Formula Script (EFS). In addition the code can be purchased from www.mesasoftware.com for a modest cost, to save yourself the typing and debugging time (your time is worth something). I use TradeStation. With the fully disclosed code, all of the indicators can be displayed, modified (if desired), combined with one another or other indicators, and your own systems created. Those systems can then be back-tested in TradeStation to see how they performed. They can also be optimized and otherwise worked with to create systems that work for you. Ehlers has created a "cookbook" of indicators that use some of the most advanced concepts ever applied to the market. Ehlers states: "... (the) historical performance of these systems is on a par with or exceeds, the performance of systems that would cost you thousands of dollars to purchase". Analysis with TradeStation confirms this.
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