Jillian Harker Books

If you hold my hand

By Jillian Harker

Average: 0.00, 0 Ratings

Lost and Alone

By Jillian Harker

Average: 0.00, 0 Ratings

Come and Play Oakey

By Jillian Harker

Average: 0.00, 0 Ratings

Oakey's perfect day

By Jillian Harker

Average: 0.00, 0 Ratings

"Oakey goes exploring, making some new friends along the way. But when he gets lost in the big, wide world, who will help Oakey? Luckily Duck, Pig, and Horse come to the rescue and lead him safely...

Ik Vind Je Lief Papa

By Jillian Harker, Kristina Stephenson

Average: 0.00, 0 Ratings

I Love You Daddy Padded Large Learner

By Jillian Harker, Kristina Stephenson

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.