John K. Snyder Books

Dr. Jekyll & Mr. Hyde

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Dr. Jekyll, a brilliant scientist, is transformed by a self-administered drug into the twisted Mr. Hyde, the incarnation of evil. Presented in comic book format.

The Secret Agent

By Joseph Conrad

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The Biology Chemistry Interface

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Classics Illustrated 17

By John K. Snyder III, Joseph Conrad

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Biology Chemistry Interface

By Cooper Raymond, John K. Snyder

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Biology Chemistry Interface

By Cooper Raymond, John K. Snyder

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Fashion in Action

By Hope Nicholson, John K. Snyder

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Biology Chemistry Interface

By Cooper Raymond, John K. Snyder

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Biology Chemistry Interface

By Cooper Raymond, John K. Snyder

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Biology Chemistry Interface

By Cooper Raymond, John K. Snyder

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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.