Penny Warner Books

The secret of the bitter sweets

By Penny Warner

Average: 0.00, 0 Ratings

Norton Textra Connect

By Constance J. Gefcert, John E. Lincoln, James A. W. Heffernan, Thomas Cooley, Ann Arbor Software

Average: 0.00, 0 Ratings

Presley Parker is hosting a Murder Mystery party thrown by notorious yet benevolent curator Mary Lee Miller. But when the role play becomes terrifyingly real, and Mary Lee is found dead, Presley ki...

Dead body language

By Penny Warner

Average: 0.00, 0 Ratings

Journalist/sleuth Connor Westphal has relocated from San Francisco to a mining-turned-tourist town with the idea of starting up her own weekly paper. But when the First Lady of Flat Skunk turns up...

Sign of Foul Play Connor Westphal Mystery

By Penny Warner

Average: 0.00, 0 Ratings

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.