Bob Elsdale Books

Mac Side Up

By Bob Elsdale, Robert Elsdale

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Mom I m a Lucky Duck

By Bob Elsdale, Patrick Regan

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The two of us

By Bob Elsdale

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The Two of Us celebrates togetherness with two adorable, and sometimes hilarious, baby chimpanzees named Kenzy and Willie. The candid photographs of these primate pals remind us of the unbreakable...

The two of us

By Bob Elsdale

Average: 0.00, 0 Ratings

The Two of Us celebrates togetherness with two adorable, and sometimes hilarious, baby chimpanzees named Kenzy and Willie. The candid photographs of these primate pals remind us of the unbreakable...

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.