Mark Zwonitzer Books

Will You Miss Me When I m Gone

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"Will You Miss Me When I'm Gone? is the biography of the Carter Family, the musical pioneers who almost single-handedly established the sounds and traditions that grew into modern folk, country, an...

Will You Miss Me When I m Gone

By Mark Zwonitzer, Charles Hirshberg

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The statesman and the storyteller

By Mark Zwonitzer

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"John Hay, famous as Lincoln's private secretary and later as secretary of state under presidents McKinley and Roosevelt, and Samuel Langhorne Clemens, famous for being 'Mark Twain,' grew up fifty...

Triangle fire

By Jamila Wignot, Mark Zwonitzer

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The fire that tore through the Triangle Shirtwaist Factory in New York City on March 25, 1911, was the gruesome culmination of years of unrest in America's most profitable manufacturing industry. T...

The Statesman and the Storyteller Lib E

By Mark Zwonitzer, Joe Barrett

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The Statesman and the Storyteller

By Mark Zwonitzer

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Will You Miss Me When I m Gone

By Mark Zwonitzer, Charles Hirshberg

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Statesman and the Storyteller

By Mark Zwonitzer

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Statesman and the Storyteller

By Mark Zwonitzer

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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.