Fernando Pessoa Books

The Book of Disquiet is the autobiography of Bernardo Soares, whom Pessoa described as a 'semiheteronym' because "his personality is not different from mine, rather a simple mutilation of it." But...

Education Of The Stoic, The

By Fernando Pessoa

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xii, 81 pages ; 21 cm

The keeper of sheep

By Fernando Pessoa

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The book of disquietude

By Fernando Pessoa

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The Book of Disquietude is the "factless autobiography" of "Bernardo Soares," one of the 72 literary personae with which Portugal's greatest poet Fernando Pessoa created the theater of himself. Con...

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.