Ulises Farinas Books

"12-year-old Cloudia and her kid sister Rex are imbued with strange powers by two deities fleeing an interdimensional apocalypse. As if growing up isn't enough to deal with!"-- "After losing their...

Juez Dredd. Mega City Zero

By Erick Freitas, Lara Moyano Alcantara, Ulises Farinas, Ryan Hill, Dan McDaid

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JUEZ DREDD

By Erick Freitas, Ulises Farinas, Dan McDaid, Jesus Redondo

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JUEZ DREDD

By Erick Freitas, Ulises Farinas, EDICIONES KRAKEN, Dan McDaid

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Dungeons and Dragons

By Ulises Farinas

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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.