Eca Queiroz Books

The Relic: European Classics

By Eca De Queiroz, Mike MITCHELL, Eça De Queiroz, Eca Queiroz

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Teodorico Raposo, the novel's lascivious anti-hero is a master of deceit; one minute feigning devotion in front of his rich, pious aunt, in order to inherit her money, the next indulging in debauch...

El MandarÍN

By Eça De Queiroz, Eca Queiroz

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Cousin Bazilio - 2 Ed

By Eça De Queirós, Eça De Queiroz, Jose Maria Eça De Queiroz, Eca Queiroz

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El Mandarin

By Eca De Queiroz

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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.