Mark Andrew Olsen Books

The Hadassah covenant

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"This sequel to Hadassah parallels the lives of Hadassah and Queen Esther in modern day Israel and the Persian kingdom. Each woman must remain strong as she fights for her people"--Provided by publ...

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.

The assignment

By Mark Andrew Olsen

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The Watchers

By Mark Andrew Olsen

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Hadassah

By Tommy Tenney

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Hadassah

By Mark Andrew Olsen, Tommy Tenney

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Hadassah

By Mark Andrew Olsen, Tommy Tenney

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Hadassah

By Tommy Tenney

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Ulterior motives

By Mark Andrew Olsen

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The Road Home

By Mark Andrew Olsen, Tommy Tenney

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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.