Jens Christian Grondahl Books

"This elegant and nuanced literary gem explores the intricacies of friendship, secrets, and two marriages, for fans of The Dinner and Dept. of Speculation. "Often I am happy and yet I want to cry;...

Lucca

By Jens Christian Grondahl

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Silence in October

By Jens Christian Grondahl

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VIRGINIA TRANS. BY ANNE BORN.

By JENS CHRISTIAN GRONDAHL

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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.