Jonathan Case Books

Dear creature

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Deep beneath the waves, a creature named Grue broods. He no longer wants to eat lusty beachgoers, no matter how their hormones call to him. A chorus of crabs urges him to reconsider. After all, peo...

Batman 66

By Michael Allred, Ruben Procopio, Ty Templeton, Jeff Parker, Jonathan Case

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Batman 66 Vol. 5

By Jeff Parker, Jonathan Case

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Batman 66

By Michael Allred, Dario Brizuela, Art Baltazar, Jeff Parker, Jonathan Case

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Dear Creature

By Jonathan Case

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Life s Pathway

By Jonathan Case

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Green River Killer

By Jeff Jensen, Jonathan Case

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House of Night Legacy

By Karl Kerschl, Daniel Krall, Joelle Jones, Jonathan Case, Eric Canete

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Green River Killer

By Jeff Jensen, Jonathan Case

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Over the Garden Wall Original Graphic Novel

By S. J. Miller, Campbell Jim, Jonathan Case, Pat McHale

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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.