Mark Olsen Books

Hadassah
Hadassah

By Mark Andrew Olsen, Mark Olsen, Tommy Tenney

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Jews celebrate the story of sweet Esther and evil Haman every Purim.

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The Golden Buddha changing masks
The Golden Buddha Changing Masks
The conception mandala
The conception mandala

By Mark Olsen

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Refuge
Refuge

By Mark Olsen

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Actor with a thousand faces
Actor with a thousand faces

By Mark Olsen

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Cellular and Subcellular Nanotechnology: Methods and Protocols

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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.

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