John Riddle Books

Robert F. Scott led two British Navy missions to explore Antarctica, each one lasting several years. On his second trip to the Antarctic, Scott and his team made it to the South Pole, but they foun...

Marco Polo

By Riddle John Ingpen Robert

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Robert F. Scott

By John Riddle

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Marco Polo

By John Riddle

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Robert F. Scott

By John Riddle

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Firefighter

By John Riddle

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Veterinarian

By John Riddle

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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.