Holly Seddon Books

Try Not to Breathe

By Holly Seddon, Louise Cullen

Average: 0.00, 0 Ratings

Try Not to Breathe

By Holly Seddon, Sara O Keeffe

Average: 0.00, 0 Ratings

Don't Close Your Eyes

By Holly Seddon

Average: 0.00, 0 Ratings

A juicy, powerful read featuring twin sisters who have drifted apart, and the shocking family secrets that bind them—for readers of The Woman in Cabin 10 and I Let You GoWhen the past knocks,...

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.