Jeff Backhaus Books

Hikikomori and the rental sister

By Jeff Backhaus

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Hikikomori and the Rental Sister Lib E

By Jeff Backhaus, Stephen Bowlby

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Hikikomori and the rental sister

By Jeff Backhaus

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Estranged from the husband who cloistered himself in his bedroom three years earlier after a devastating tragedy, Silke hires a young Japanese woman to draw him back into the world by establishing...

Rental Sister

By Jeff Backhaus

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Rental Sister

By Jeff Backhaus

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Hikikomori and the Rental Sister

By Jeff Backhaus

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Your Lovely Small Face

By Jeff Backhaus

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Hikikomori and the Rental Sister

By Jeff Backhaus, Stephen Bowlby

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By Jeff Backhaus

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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.