Carol Dembicki Books

Mr. Big

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"In a watery world where only the strong survive, the denizens of a pond launch a plan to eradicate Mr. Big, a giant snapping turtle that is terrorizing them. Despite a few protests warning of the...

Mr. Big

By Carol Dembicki

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Pond dwellers make a plan to rid the pond of the destructive snapping turtle, but what does that mean for the delicate balance of the pond ecosystem, especially when a new and more vicious predator...

Mr. Big

By Matt Dembicki, Carol Dembicki

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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.