Sarah Hamilton Books

The two-headed household

By Sarah Hamilton

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The two-headed household

By Sarah Hamilton

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The Practice of Penance 900 1050

By Sarah Hamilton

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"This study examines all forms of penitential practice in the Ottonian and Salian Reich, c.900-c.1050. This crucial period in the history of penance, falling between the Carolingians' codification...

Contra Patarenos Medieval Mediterranean Medieval Mediterranean

By Hugh Eteriano, Sarah Hamilton, Bernard Hamilton, Janet Hamilton

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Begats

By Sarah Hamilton

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All the Blue Eyed Babies

By Sarah Hamilton

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Strong Boys

By Sarah Hamilton

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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.