Juan Ferreyra Books

When a mysterious madman returns to claim Boston's sanity, Declan Thomas can only fight him by fulfilling a dark prophecy. With each step, with each use of his abilities, with every ounce of effort...

Colder

By Paul Tobin, Juan Ferreyra

Average: 0.00, 0 Ratings

Prometheus. Fuego y piedra 1

By Paul Tobin, Juan Ferreyra

Average: 0.00, 0 Ratings

King in Black

By Gerry Duggan, Matthew Rosenberg, Luke Ross, Juan Ferreyra

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.