Landry Q. Walker Books

Fast Furious Spy Racers Training Academy

By Landry Q. Walker

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Supergirl

By Landry Q. Walker

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Moviemaking Magic of Star Wars

By Landry Walker

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Her first extra-ordinary adventure!

By Landry Q. Walker

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Supergirl arrives on Earth and becomes Linda Lee--the newest kid on the block and the planet.

Off to save the day

By Landry Q. Walker

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Supergirl wraps up all of the cosmic craziness that has developed since her arrival on Earth, including arch-frenemies, scheming faculty, an intergalactic orange kitty and a flying horse.

Supergirl

By Landry Q. Walker, Joey Mason, Eric Jones

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Her first extra ordinary adventure

By Landry Q. Walker

Average: 0.00, 0 Ratings

Supergirl arrives on Earth and becomes Linda Lee--the newest kid on the block and the planet.

Her first extra-ordinary adventure!

By Landry Q. Walker

Average: 0.00, 0 Ratings

Supergirl arrives on Earth and becomes Linda Lee--the newest kid on the block and the planet.

Her first extra-ordinary adventure!

By Landry Q. Walker

Average: 0.00, 0 Ratings

Supergirl arrives on Earth and becomes Linda Lee--the newest kid on the block and the planet.

Her first extra-ordinary adventure!

By Landry Q. Walker

Average: 0.00, 0 Ratings

Supergirl arrives on Earth and becomes Linda Lee--the newest kid on the block and the planet.

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.