Robert R. Prechter Books

Elliott Wave Principles

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Conquer The Crash You Can Survive And Prosper In A Deflationary Depression

By Robert Rougelot Prechter, Robert R. Prechter, Robert R. Prechter Jr., Robert R. Prechter Jr., Robert Rougelot Prechter

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This New York Times and Wall Street Journal business best-seller first presents the economic facts that show why a massive deflation is not just inevitable, it's already under way. The second part...

Conquer the Crash

By Robert R. Prechter

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At the Crest of the Tidal Wave

By Robert R. Jr. Prechter

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Elliot Wave Principle

By Robert R. Prechter, A. J. Frost

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Elliot Wave Principle

By Robert R. Prechter, A. J. Frost

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R.N. Elliott's masterworks

By R. N. Elliott

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Ralph Nelson Elliott (1871-1948) led an adventurous and productive life. He enjoyed a remarkably successful accounting career, including a U.S. State Department appointment, long before he publishe...

Pioneering Studies In Socionomics

By Robert R. Jr. Prechter

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Socionomics: The Science Of History And Social Prediction

By Robert R. Prechter, Robert Prechter

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Why do trends in human society sometimes change so suddenly? The past three years show how quickly cultural shifts can occur, which makes answering the question above all the more urgent. In 1999,...

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.