Mara Vorhees Books

Lonely Planet Boston

By Mara Vorhees, John Spelman

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Lonely Planet Moscow City Travel Guide

By Mara Vorhees

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Lonely Planet St. Petersburg City Guide Lonely Planet St Petersburg

By Mara Vorhees

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Eastern USA

By Benedict Walker

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Lonely Planet Eastern USA is your passport to the most relevant, up-to-date advice on what to see and skip, and what hidden discoveries await you. Get active underwater in Florida Keys, hit the str...

Scandinavia

By Anthony Ham

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Caribbean Islands

By Mara Vorhees

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Lonely Planet Caribbean Islands is your passport to the most relevant, up-to-date advice on what to see and skip, and what hidden discoveries await you. Travel back to the 18th century as you wande...

Pocket Moscow St. Petersburg

By Mara Vorhees

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Lonely planet Costa Rica

By Mara Vorhees

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Costa Rica

By Mara Vorhees

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All trails lead to waterfalls, crater lakes or jungle-fringed beaches. Explored by horseback, on foot or by kayak, Costa Rica is a tropical choose-your-own-adventure land. Lonely Planet will get yo...

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.