Marie O Regan Books

Twenty curses, old and new, from bestselling fantasy authors such as Neil Gaiman, Karen Joy Fowler, Christina Henry, M.R. Carey and Charlie Jane Anders.ALL THE BETTER TO READ YOU WITHIt's a prick o...

Great British Horror 2

By Paul Finch, Fry Gary, Andrew Freudenberg, Cate Gardner, Charlotte Bond, Steve J Shaw, John Llewellyn Probert, Angela Slatter, Marie O Regan, McMahon Gary

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Celeste

By Marie O Regan

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When Darkness Comes

By Joe Rattigan, Paul Kane, Marie O Regan

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Cursed

By Paul Kane, Marie O Regan, Marie ORegan

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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.