Regis St. Louis Books

Lonely Planet Best of Tallinn

By Regis St. Louis

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Ecuador the Galapagos Islands

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Nobody knows Ecuador and the Galapagos Islands like Lonely Planet. Our 8th edition gives you the tools you need to create your own adventure, whether you want to browse colorful handicrafts at Otav...

Lonely Planet Rio de Janeiro Lonely Planet Rio De Janeiro

By Regis St. Louis

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South America on a shoestring

By Regis St. Lewis

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For 30 years, Lonely Planet has been the backpackers' bible for South America. Whether you're trekking the Andes, gliding through the Amazon or joining a wild festival, our unbeatable 11th edition...

Lonely Planet Rio De Janeiro

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Portugal

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Discover Portugal. Catch a waft of cool air and a mournful song in Lisbon's labyrinthine Alfama. Splash into the clear waters at the Algarve's pristine Praia da Arrifana. Savor the silky texture an...

Lonely Planet Portugal

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Brazil

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Resident and expert authors reveal the best of Brazil, from its top attractions to off-the-beaten track wonders. New full color chapter on Brazil's amazing wildlife, and increased focus on sustaina...

Queensland the Great Barrier Reef

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Home to ancient rainforests, tropical islands, rugged mountains and the stunning Great Barrier Reef, Queensland harbors some of Australia's best sites for outdoor adventure.

Brazil A Visual Celebration

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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.