Cele Seldon Books

100 Things to Do in Charleston Before You Die

By Cele Seldon, Lynn Seldon

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100 Things to Do in Savannah Before You Die, All New

By Lynn And Cele Seldon

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With tree-lined squares dripping with Spanish moss, cobblestoned streets down by the river, and popular trolley tours, Savannah has become a darling of the Southeast United States. Thanks to its bl...

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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.