Bob Sehlinger Books

The Top 10 Ways the Unofficial Guide to Disneyland Can Help You Have the Perfect Trip: 1. Every attraction rated and ranked for each age group, based on interviews and surveys of more than 1,300 fa...

The Unofficial Guide to Atlanta 1996

By Fred Brown, Bob Sehlinger

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The Unofficial Guide to Washington, D.C. 1996

By Eve Zibart, Joe Surkiewicz, Bob Sehlinger

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The Unofficial Guide to Las Vegas 1996

By Bob Sehlinger

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The Unofficial Guide to Dining in Los Angeles

By Bob Sehlinger

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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.