Anna Marie Eleanor Roos Books

Luminaries in the Natural World

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"Known and observed by all levels of society, the sun and moon, or the "luminaries," were a continuous thread in the tapestry of late medieval and early modern English culture. Tracing this specifi...

Web of nature

By Anna Marie Eleanor Roos

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Goldfish

By Anna Marie Roos

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The Salt of the Earth

By Anna Marie Roos

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Web of Nature

By Anna Marie Roos

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The correspondence of Dr. Martin Lister 1639 1712

By Anna Marie Eleanor Roos

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The correspondence of Dr. Martin Lister (1639-1712)

By Anna Marie Eleanor Roos

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Salt of the Earth

By Anna Marie Eleanor Roos

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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.