Alex Palmer Books

Figments Perverse Urges Mr. Plerp

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Whimsical pen-and-ink cartoon story.

"Before the charismatic John Duval Gluck, Jr. came along, letters from New York City children to Santa Claus were destroyed, unopened, by the U.S. Post Office. Gluck saw an opportunity, and created...

Happiness Hacks

By Alex Palmer

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Literary miscellany

By Alex Palmer

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Intentos. La conquista por el fruto del arbol de la vida

By Alex Palmer

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Blood Redemption

By Alex Palmer

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Blood Redemption

By Alex Palmer

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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.