Dorothy Rosen Books

Death and blintzes

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In 1264, Jean of Toulouse, a young French student and friar accused of heresy by the Inquisition, is sent to Oxford to spy on the scholarly monk, Roger Bacon, who is suspected of being a heretic fo...

A Fire in Her Bones

By Dorothy Rosen

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Death and blintzes

By Dorothy Rosen

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Death & strudel

By Dorothy Rosen

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The Baghdad mission

By Sidney Rosen

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In the year 800, fifteen-year-old Alan travels from the Frankish kingdom to Baghdad and back again, seeking to escape the murderous intentions of his evil cousin and secure his birthright.

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.