Mary Tavener Holmes Books

The Robert Lehman Collection

By Duncan Robinson, Mary Tavener Holmes, Donald Posner, Fritz Koreny, Egbert Haverkamp Begemann

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Nicolas Lancret, 1690-1743

By Mary Tavener Holmes

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Nicholas Lancret 1690 1743

By Mary Tavener Holmes

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Eighteenth Century French Drawings in New York Collections

By Perrin Stein, Mary Taverner Holmes

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A giraffe goes to Paris

By Mary Tavener Holmes

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Recounts the 1827 journey of a young giraffe named Belle, a gift from the Pasha of Egypt to King Charles X of France, as she makes her way by boat and land to Paris, accompanied by her devoted care...

The elephant from Baghdad

By Mary Tavener Holmes

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Relates the story, told by a monk named Notker the Stammerer, of how the Emperor Charlemagne sent an ambassador to Baghdad, the center of the Muslim world, to learn about the great ruler in the Eas...

The elephant from Baghdad

By Mary Tavener Holmes

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Nicolas Lancret

By Mary Tavener Holmes

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My Travels With Clara

By Mary Tavener Holmes

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Giraffe Goes to Paris

By Jon Cannell, Mary Tavener Holmes, Harris John

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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.