Myriam Fraga Books

Femina

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"First part is about mythical and historical women throughout the ages, such as Europa and the bull, Carmen Miranda, Jeanne d'Arc, Judith, Penelope, and Salomé. Second part is a 'calendar,' with p...

Leonidia, a musa infeliz do poeta Castro Alves

By Myriam Fraga

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Purifications or the Sign of Retaliation

By Myriam Fraga, Chloe Hill

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Jorge Amado e a setima arte

By Maria Do Rosario Caetano, Myriam Fraga, Ana Rosa Neves Ramos, Bohumila Araujo

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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.