Sandra McDonald Books

"Chief Terry Myell died and became a god. Now he's been returned to life, and he's careening around space and time at the behest of a boice that told him to save all of mankind. Helping and hinderi...

The Stars Blue Yonder

By Sandra McDonald

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The Outback Stars

By Sandra McDonald

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Diana Comet and other improbable stories

By Sandra McDonald

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Best gay stories 2011

By Peter Dube

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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.