Jens Rydstrom Books

Sinners and Citizens

By Jens Rydstrom

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Loneliness and Its Opposite

By Jens Rydstrom, Don Kulick

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Loneliness and Its Opposite

By Jens Rydstrom, Don Kulick

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Kvinnor man och alla andra

By Jens Rydstrom

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Odd couples

By Jens Rydstrom

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Odd couples is de eerste omvangrijke studie naar het geregistreerd partnerschap en het homohuwelijk in Scandinavië. De invoering van het geregistreerd partnerschap in 1989 in Denemarken zorgde ervo...

Odd Couples

By Jens Rydstrom

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Sinners and citizens

By Jens Rydstrom

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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.