Billie Travalini Books

Bloodsisters Discovery Prize Series

By Billie Travalini

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No place like here

By Billie Travalini

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On the Mason Dixon Line

By Billie Travalini

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Blood sisters

By Billie Travalini

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"Billie Travalini was born in Wilmington, Delaware, where shortly after her birth she was placed in foster care. Life was good until the day a Family Court judge ordered her to live with her biolog...

On the Mason Dixon Line

By Billie Travalini, Fleda Brown

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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.