Roca Paco Comic Book Artist Books

Wrinkles

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"Admitted to a home for the elderly because he suffers from Alzheimer's disease, for Ernest community life feels like an ordeal. But soon he accepts his new environment and decides to fight to esca...

Wrinkles

By Roca Paco Comic Book Artist

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Admitted to a home for the elderly because he suffers from Alzheimer's disease, Emilio's community life feels like an ordeal. But soon he accepts his new environment and decides to fight to escape...

Twists of fate

By Roca Paco Comic Book Artist

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The lighthouse

By Roca Paco Comic Book Artist

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"Francisco, a wounded, despairing sixteen-year-old Republican guard in the Spanish Civil War, is trying to flee to freedom by crossing the French border. In his escape, he encounters an old remote...

Arrugas

By Roca Paco Comic Book Artist

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Paco Roca

By Roca Paco Comic Book Artist

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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.