Karen G. Harvey Books

St. Augustine and St. Johns County

By Karen G. Harvey

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St. Augustine and St. Johns County

By Karen G. Harvey

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Alexandria

By Karen G. Harvey

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America's first city

By Karen G. Harvey

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Oldest Ghosts

By Karen G. Harvey

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More ghosts, this time in St. Augustine, the Oldest City. Oldest Ghosts tells of unexplained exploits by the spirits dwelling in St. Augustine, the oldest city of European origin in the United Stat...

Daring daughters

By Karen G. Harvey

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Legends and tales

By Karen G. Harvey

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Legends and Tales Volume II

By Karen Harvey

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Five women five stories

By Karen G. Harvey

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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.