Naoko Kodama Books

NTR - Netsuzou Trap Vol. 4

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CAUGHT IN THE ACT! Takeda catches Hotaru and Yuma together in a compromising situation, but he’s not exactly sure what it is he saw them doing. He’s not the only one who is confused. Y...

NTR - Netsuzou Trap Vol. 5

By Kodama Naoko

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LOVE GAME Yuma said she wants to “practice” some more with Hotaru–but is that all she wants from her friend? Does Hotaru want anything to do with her? Entrance exams loom closer,...

Days of Love at Seagull Villa Vol. 1

By Kodama Naoko

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A touching yuri romance about two women building a life together in rural Japan, by the bestselling creator of I Married My Best Friend to Shut My Parents Up! When Mayumi’s fiancé leav...

Days of Love at Seagull Villa Vol. 2

By Kodama Naoko

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TROUBLE IN PARADISE After her life fell apart, Mayumi decided to ditch the city and live in the countryside. While things haven’t always gone smoothly between her and her boisterous landlady...

I Married My Best Friend to Shut My Parents Up

By Kodama Naoko

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A brand-new yuri manga about falling in love AFTER marriage! Morimoto, a young professional woman in Japan, wishes her parents would stop trying to get her to marry a man and settle down. In an un...

NTR Netsuzo TRap no 03 06

By Daruma Serveis Linguistics S.L., Naoko Kodama

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NTR Netsuzo TRap no 04 06

By Daruma Serveis Linguistics S.L., Naoko Kodama

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NTR Netsuzo TRap no 06 06

By Daruma Serveis Linguistics S.L., Naoko Kodama

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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.