Susanna Gregory Books

An Unholy Alliance Matthew Bartholomew Mysteries

By Susanna Gregory

Average: 0.00, 0 Ratings

A Deadly Brew

By Susanna Gregory

Average: 0.00, 0 Ratings

A Wicked Deed: The Fifth Chronicle Of Matthew Bartholomew

By Susanna Gregory

Average: 0.00, 0 Ratings

Paperback, 512 pages Matthew Bartholomew, doctor of medicine and fellow of Michaelhouse, Cambridge, is travelling with a party from the college to accept the gift of the living of a parish in Suffo...

The Mark of a Murderer

By Susanna Gregory

Average: 0.00, 0 Ratings

A Conspiracy of Violence

By Susanna Gregory

Average: 0.00, 0 Ratings

Matthew Bartholomew omnibus

By Susanna Gregory

Average: 0.00, 0 Ratings

A summer of discontent:

By Susanna Gregory

Average: 0.00, 0 Ratings

A Killer in Winter

By Susanna Gregory

Average: 0.00, 0 Ratings

The Hand of Justice

By Susanna Gregory

Average: 0.00, 0 Ratings

An unholy alliance

By Susanna Gregory

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.