John Rothchild Books

One up on Wall Street

By John Rothchild, By Peter Lynch, Peter Lynch

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Up for grabs

By John Rothchild

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Marjory Stoneman Douglas Voice of the River

By John Rothchild, Marjory Stoneman Douglas

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Born in Minnesota in 1890 and raised and educated in Massachusetts, Marjory Stoneman Douglas came to Florida in 1915 to work for her father, who had just started a newspaper called the Herald in a...

Marjory Stoneman Douglas

By John Rothchild, Marjory Stoneman Douglas

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Born in Minnesota in 1890 and raised and educated in Massachusetts, Marjory Stoneman Douglas came to Florida in 1915 to work for her father, who had just started a newspaper called the Herald in a...

Going for Broke

By John Rothchild

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Les enfants de la contre culture

By John Rothchild

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Fool and His Money

By John Rothchild

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Davis Dynasty

By John Rothchild

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Bear Book

By John Rothchild

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Learn to Earn

By John Rothchild, Peter Lynch

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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.