Jordi Roca Girona Books

La ciutat i les vides

By Gaspar Maza Gutierrez, Jordi Roca Girona, Ramona Torrens Bonet

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AMORES LEJANOS

By Jordi Roca Girona, Marta Allue Martinez

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Una jubilació és, abans que res, un trànsit que duu a un canvi d’estat. Com no podia ser menys, la jubilació d’un antropòleg, com en Joan Prat, no podia estar exempta d’una ritualització, tot i que...

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.