Ron Bernthal Books

Puerto Rico

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From its tranquil beaches to metropolitan San Juan's lively waterfront strip, this guide to Puerto Rico points the way to the island's best treasures: flavorful fusions of ethnic cuisines, nightclu...

Puerto Rico

By Ron Berthnal

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Puerto Rico off the Beaten Path R 5th

By Ron Bernthal

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Puerto Rico off the Beaten Path r

By Ron Bernthal

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Saturday night in Havana and other datelines--

By Ron Bernthal

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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.