Deborah Allo Books

Myrna e il tocco della morte

By Sergio Algozzino

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Disney Manga: Tim Burton's The Nightmare Before Christmas - The Battle for Pumpkin King

By Deborah Allo

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The New York Times Best Seller! Jack Skellington is the undisputed Pumpkin King of Halloween Town. But it wasn’t always that way... Years ago, Jack and Oogie Boogie were close friends. Both eager t...

Disney Manga: Tim Burton's The Nightmare Before Christmas - The Battle for Pumpkin King

By Deborah Allo

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Disney Manga: Tim Burton's The Nightmare Before Christmas - Battle for Pumpkin King (FCBD 2023)

By Deborah Allo

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Jack Skellington is the undisputed Pumpkin King of Halloween Town. But it wasn’t always that way…Years ago, Jack and Oogie Boogie were close friends. Both eager to prove themselves, they poured all...

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.