Masakazu Katsura Books

Video Girl AI Vol. 6

By Masakazu Katsura

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Video girl Ai.

By Masakazu Katsura

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Ai is back in the real world and living at Yota's house due to a kindly old clerk of the Gokuraku Video Shop who dubbed her take. Now her creator has decided to erase her and sends a video-girl ass...

Video girl Ai.

By Masakazu Katsura

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Yota Moteuchi, nicknamed Dateless, is unpopular and in love with a girl who is in love with his friend Takashi. But when he plays a rented videotape starring the cute, young idol Ai, she promises t...

Video girl Ai.

By Masakazu Katsura

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When Yota's friend Natsumi is hospitalized, Ai tries to reunite her with her long-lost fiance. Then she pushes Yota even further towards Moemi, ignoring the playback time on her tape as it grows sh...

I s vol 4 I s series I s

By Masakazu Katsura

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I s Volume 5 I s

By Masakazu Katsura

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I s Volume 6 I s

By Masakazu Katsura, Masakazu

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I s Volume 9 I S

By Masakazu Katsura

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I s Volume 10 I S

By Masakazu Katsura

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I s Volume 11 I S

By Masakazu Katsura

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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.