Sigrid Undset Books

Four stories

By Sigrid Undset

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Happy times in Norway

By Sigrid Undset

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Gunnar's Daughter

By Sigrid Undset

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The first historical novel by the Nobel Prize-winning author of Kristin LavransdatterA Penguin ClassicMore than a decade before writing Kristin Lavransdatter, the trilogy about fourteenth-century N...

Kristin Lavransdatter, I: The Wreath

By Sigrid Undset

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“[Sigrid Undset] should be the next Elena Ferrante.” —SlateA Penguin ClassicKristin Lavransdatter interweaves political, social, and religious history with the daily aspects of family life to creat...

Kristin Lavransdatter, II: The Wife

By Sigrid Undset

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Kristin Lavransdatter, III: The Cross

By Sigrid Undset

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Kristin Lavransdatter

By Undset Sigrid Archer Charles Scott J. S.

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Kristin Lavransdatter: Bridal Wealth , Mistress of Husaby and The Cross

By Sigrid Undset

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Four Stories

By Sigrid Undset

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Kristin Lavransdatter

By Sigrid Undset

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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.