John Henri Holmberg Books

A darker shade

By John Henri Holmberg

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A darker shade of Sweden

By John Henri Holmberg

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"Containing seventeen stories, never before published in English, 'A Darker Shade of Sweden' illuminates this beguiling country and its inhabitants as never before. Included are stories from such S...

A darker shade

By John Henri Holmberg

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GialloSvezia

By John Henri Holmberg, Stieg Larsson, Alessandro Bassini, Henning Mankell, Asa Larsson

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Drommar om evigheten

By John Henri Holmberg

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Svart advent

By John Henri Holmberg

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A darker shade of Sweden

By John Henri Holmberg

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Ciemna Strona

By Allicja Rosenau, Anna Topczewska, John Henri Holmberg, Paulina Rosinska, Ewa Wojciechowska

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Afterword: Stieg Larsson: Four Essays and an Exchange of Emails

By Stieg Larsson, John Henri Holmberg, Svante Weyler, Jonas Sundberg, Eva Gedin

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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.