Mark Royden Winchell Books

Too good to be true

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""Too Good to Be True" is a comprehensive account of Leslie Fiedler's life and work. Born in 1917, Fiedler has, in a sense, had four overlapping careers. He first came to prominence as one of the p...

Horace McCoy

By Mark Royden Winchell

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John Gregory Dunne

By Mark Royden Winchell

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William Humphrey

By Mark Royden Winchell

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Talmadge, a political legacy, a politician's life

By Herman E. Talmadge

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God man and Hollywood

By Mark Royden Winchell

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Robert Penn Warren

By Mark Royden Winchell

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The cause of us all

By Mark Royden Winchell

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William F. Buckley, Jr.

By Mark Royden Winchell

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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.