Margi Preus Books

Book of Grace

By Ann Treacy, Margi Preus

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Book of Grace

By Ann Treacy, Margi Preus

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Windswept

By Armando Veve, Margi Preus

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Shadow on the mountain

By Margi Preus

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In Nazi-occupied Norway, fourteen-year-old Espen joins the resistance movement, graduating from deliverer of illegal newspapers to courier and spy.

The clue in the trees

By Margi Preus

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Francie plunges into her senior year of high school near Minnesota's Enchantment Lake, but when her long-lost brother, Theo, turns up, so does a dead body, and Francie is drawn into another mystery.

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.