Landry Q. Walker Books

A Clash Of Kings: The Graphic Novel: Volume Two

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The second volume in a four-part full-color graphic novel adaptation of the second book in George R. R. Martin’s landmark A Song of Ice and Fire series, the inspiration for HBO’s Game of Thrones. A...

Teenage Mutant Ninja Turtles Amazing Adventures Vol. 1

By Landry Walker

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Star wars adventures

By Landry Q. Walker

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Collects new stories from the world of Star Wars featuring such characters as Rey, Unkar, and Obi-Wan Kenobi.

Comic Zone

By Landry Quinn Walker, Landry Walker, Eric Jones

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Kid Gravity is studying to become a space hero and his arch enemy, that creep from homeroom, Kid Apocalypse, is learning to be a space villain.

Little Gloomy Vol. 1 Little Gloomy Volume 1

By Landry Walker, Eric Jones

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X Ray Comics Vol. 1

By Landry Walker, Eric Jones

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Batman the brave and the bold

By J. Torres

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Batman teams up with Green Arrow, Catman, the Doom Patrol, The Atom, Adam Strange, and others to fight the likes of Two-Face, the Joker, and other villains.

Red Lanterns Vol. 6

By Charles Soule

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"Following the war with Atrocitus and his renegade Red Lanters, Guy Gardner finds himself in a Corps of one as he is one of the only remaining Red Lanterns. With no direction, Guy returns home to E...

Pepper Page Saves the Universe

By Landry Q. Walker, Eric Jones

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Pepper Page Saves the Universe

By Landry Q. Walker, Eric Jones

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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.