Zack Howard Books

Aliens

By David Daza Baquero, John Arcudi, Zack Howard

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Hellboy and the B.P.R.D.: The Return of Effie Kolb and Others

By Written By Mike Mignola, Featuring The Art Of Adam Hughes Matt Smith Tierne N Trevallion, Zach Howard. Colors By Dave Stewart. Letters By Clem Robins.

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Travel from the Appalachian mountains to Russia, France, and all the way back to Savannah, Georgia as Hellboy returns to take on phantoms, demons, and reanimated foes.Collected in one volume for th...

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.