Daniel P. Gregory Books

"Howard Backen, principal of the architecture firm Backen, Gillam & Kroeger, is at the center of a popular movement in home design that emphasizes elegant simplicity and embraces the rustic charm o...

Cliff May and the Modern Ranch House

By Daniel P. Gregory

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New Farm

By Abby Rockefeller, Daniel P. Gregory

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The Place Itself

By Daniel P. Gregory

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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.