Sandra J. Gordon Books

30 Secrets of the World s Healthiest Cuisines

By Sandra J. Gordon, Steven Jonas

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Single and Shy And How Not to Be

By Sandra J. Gordon, Bonnie Jacobson

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The Shy Single

By Sandra J. Gordon, Bonnie Jacobson

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Best Baby Products 9th Ed. Best Baby Products

By Sandra Gordon, Sandra J. Gordon, Editors Of Consumer Reports

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The Shy Single

By Sandra J. Gordon, Bonnie Jacobson Ph.D.

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Nearly 50 percent of adults in the United States describe themselves as chronically shy, and an even larger number are single. These numbers prove what we already know: There are a lot of us sittin...

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.