Mark Sennen Books

Boat House a DI Charlotte Savage Short Story

Average: 0.00, 0 Ratings

DI Charlotte Savage is back, chasing a killer who was last at large ten years ago, a killer they presumed dead . Now he's back and more dangerous than ever. When three headless bodies are found mut...

Mark Sennen Collection DI Charlotte Savage 1 3

By Mark Sennen

Average: 0.00, 0 Ratings

Tell tale

By Mark Sennen

Average: 0.00, 0 Ratings

Charlotte Savage knows who killed her daughter. But before Charlotte can get her revenge, disturbing events start to unfold on Dartmoor.... A woman's naked body is found near an isolated reservoir...

Two Evils

By Mark Sennen

Average: 0.00, 0 Ratings

Two Evils

By Mark Sennen

Average: 0.00, 0 Ratings

Boneyard

By Mark Sennen

Average: 0.00, 0 Ratings

383 pages ; 20 cm

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.