G. G. Vandagriff Books

Hired to find a murdered man's heirs, professional genealogist Alexandra Campbell and her sidekick, Briggie, are brought to the swanky beaches of Southern California and a community of Armenian rel...

Last Waltz

By G. G. Vandagriff

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Foggy with a chance of murder

By G. G. Vandagriff

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What should have been a peaceful walk on the beach turns tragic when travel author Chloe Green tries unsuccessfully to save a ten-year-old boy from drowning.

Her Fateful Debut

By G. G. Vandagriff

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Sleeping Secrets

By G. G. Vandagriff

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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.