Darrell K. Sweet Books

The Lark and the Wren

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Young, brash, and impulsive, Rune backs up a brag by ascending Skull Hill to play fiddle for the malevolent spirit that resides there, striking a bargain with the ghost to surrender her soul if he...

Beyond Fantasy

By Darrell K. Sweet

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The Fantasy Worlds of Peter S. Beagle

By Peter S. Beagle, Darrell K. Sweet

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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.