George Hendrick Books

Henry Salt: Humanitarian Reformer and Man of Letters

By George Hendrick

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Remembrances of Concord and the Thoreaus

By Horace Hosmer

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Toward the Making of Thoreau's Modern Reputation

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Fables, foibles, and foobles

By Carl Sandburg

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Black refugees in Canada

By George Hendrick

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"Thousands of black people sought refuge in Canada before the U.S. Civil War. While most encountered some racism among Canadian citizens, many thrived under the Canadian government. The book begins...

Fourth Directory of Periodicals

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James Jones and the Handy Writers' Colony

By George Hendrick

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James Jones and the Handy Writers' Colony

By George Hendrick

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Katherine Anne Porter.

By George Hendrick

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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.