Sergio A. Sierra Books

Pergamino

By Meritxell Ribas, Sergio A. Sierra

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HEL BAR 01

By SIERRA SERGIO A. SIERRA ALEX

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Frankenstein by Mary Shelley

By Sergio A. Sierra

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A graphic novel adaptation of Mary Shelley's classic tale of a monster, assembled by a scientist from parts of dead bodies, who develops a mind of his own as he learns to loathe himself and hate hi...

Frankenstein by Mary Shelley

By Sergio A. Sierra

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Fankenstein

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Hel Blar 02 Rey Bajo El Tumulo

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Pergami

By Meritxell Ribas, Sergio A. Sierra, Ferran Gibert

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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.