James S. Grubb Books

Firstborn of Venice

By James S. Grubb

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Provincial families of the Renaissance

By James S. Grubb

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Historical writing on the Renaissance has usually focused on the social extremes that co-existed in the great metropolitan centers - on either elites or the underclass. As a result, the world of un...

Historical documents from northern Italy

By James S. Grubb

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Family memoirs from Venice 15th 17th centuries

By James S. Grubb

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Provincial Families of the Renaissance

By James S. Grubb

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Provincial Families of the Renaissance

By James S. Grubb

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Firstborn of Venice

By James S. Grubb

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Firstborn of Venice

By James S. Grubb

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Family memoirs from Verona and Vicenza

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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.