Caleb Roehrig Books

Death Prefers Blondes

By Caleb Roehrig

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The Fell of Dark

By Caleb Roehrig

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His Hideous Heart

By Emily Lloyd Jones, Dahlia Adler, Caitlin Davies, Natalie Naudus, JorJa Brown, Robin Miles, Amanda Lovelace, James Fouhey, Kendare Blake, Fran Wilde, Tessa Gratton, Caleb Roehrig, Hillary Monahan, Jeanette Illidge

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White rabbit

By Caleb Roehrig

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Rufus Holt is having the worst night of his life. It begins with the reappearance of his ex-boyfriend, Sebastian the guy who stomped his heart out like a spent cigarette. Just as Rufus is getting r...

Last Seen Leaving

By Caleb Roehrig

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The Fell of Dark

By Jennifer Van Dyck, Michael Crouch, Caleb Roehrig

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Death Prefers Blondes

By Therese Plummer, Caleb Roehrig

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Keiner sagt die Wahrheit

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Voor het laatst gezien

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Poison Pen Riverdale Book 5

By Caleb Roehrig

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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.