Oliver Nome Books

Countdown presents the search for Ray Palmer

By Allen Passalaqua, Angel Unzueta, Ron Marz, Oliver Nome

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Ray Palmer, The Atom, is missing! It's up to heroes Kyle Rayner, Donna Troy and Jason Todd to join forces as the Challengers of the Beyond and scour the Multiverse for him.

Death of Wolverine

By Marguerite Bennett, Ariela Kristantina, Tim Seeley, Charles Soule, Oliver Nome

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Executive Assistant

By Vince Hernandez, Pop Mhan, Marc Andreyko, Micah Gunnell, Oliver Nome

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Fathom Kiani Volume 2

By Vince Hernandez, John Starr, Frank Mastromauro, Oliver Nome

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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.