R. David Lankes Books

A set of six self-instructional modules intended to prepare organizations and individuals to create an Internet-based human-mediated information service. Helpful hints for new services include real...

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By R. David Lankes

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"Libraries have existed for millennia, but today many question their necessity. In an ever more digital and connected world, do we still need places of books in our towns, colleges, or schools? If...

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By R David Lankes

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Digital Reference Service in the New Millennium

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The Virtual Reference Experience

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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.