Stephen Keeling Books

Offers expert trip planning advice, reviews of hotels and restaurants, and up to date coverage of sightseeing, nightlife, shopping, and local activities.

The Rough Guide to the Philippines

By Dalton David

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Provides information for traveling in the Philippines, including travel tips, recommended accommodations, historic sites, and annual events.

The rough guide to Puerto Rico

By Keeling Stephen Travel Writer

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A guide to traveling in Puerto Rico that provides tips, detailed maps, and information on the island's culture, local attractions, restaurants, accommodations, shopping, and entertainment; and feat...

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.