Guy Gavriel Kay Books

Accompanying his photographer father to the celebrated city of Aix-en-Provence, near Marseilles, 15-year-old Ned Marriner finds himself drawn into a centuries-old battle as dangerous, mythic figure...

Tigana

By Guy Gavriel Kay

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Under Heaven

By Guy Gavriel Kay

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Escolas Especiais e Visao Classista

By Marli De Fatima Rodrigues

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River of stars

By Guy Gavriel Kay

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Ren Daiyan was still just a boy when he took the lives of seven men while guarding an imperial magistrate of Kitai. That moment on a lonely road changed his entire life in entirely unexpected ways,...

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.