Ark Ark Performance Books

Arpeggio of Blue Steel Vol. 3

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THE FOG ROLLS IN Chihaya Gunzou, captain of the sentient submarine known as I-401, is renowned for his unorthodox tactics. His unpredictability is a strength when it's just him and his crew agains...

Arpeggio of Blue Steel Vol. 4

By Ark Ark Performance

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Arpeggio of Blue Steel Vol. 6

By Ark Ark Performance

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Arpeggio of Blue Steel Vol. 18

By Ark Performance

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No Rest for the Weary While protecting the White Whale from an approaching Fog patrol fleet, I-401 is ambushed by the Mutsu...but there’s something strange about the battleship’s tact...

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.