George McGavin Books

A fascinating pop-up journey into the hidden world of insects, spiders, and other creepy-crawlies.Larger-than-life bugs spring from the pages, peek out from behind flaps, and hide under tabs, invit...

DK Handbooks

By George C. McGavin, George McGavin

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Insects

By George C. McGavin

Average: 0.00, 0 Ratings

Written by noted entomologist George C. McGavin, this comprehensive handbook covers all 29 orders of insect as well as spiders and terrestrial arthropods. It’s packed with hundreds of annotated pho...

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.