Bernie Schaeffer Books

SFO Personal Investor Series

By David Nassar, SFO Stocks Futures And Options Magazine The Official Journal For Personal Investing, Boris Schlossberg, William O Neil, John Carter, Toni Turner, Bernie Schaeffer, Linda Bradford Raschke

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Schaeffer on Sentiment

By Bernie Schaeffer

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SFO Personal Investor Series

By Adrienne Laris Toghraie, Philippa Huckle, Toni Turner, Christopher Terry, Bernie Schaeffer, Linda Bradford Raschke, Brett N. Steenbarger, Van K. Tharp

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The Option Advisor: Wealth-Building Techniques Using Equity & Index Options

By Bertram J. Schaeffer, Bernie Schaeffer

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Schaeffer delves into the psychology of options trading, demonstrating how to distinguish between "high" and "low" expectation stocks, how to measure sentiment, and how to master the valued Contrar...

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.