Mary Ann Shaffer Books

The Guernsey Literary and Potato Peel Pie Society

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#1 NEW YORK TIMES BESTSELLER • NOW A NETFLIX FILM • A remarkable tale of the island of Guernsey during the German Occupation, and of a society as extraordinary as its name. “Treat yourself to this...

The Guernsey Literary and Potato Peel Pie Society

By Mary Ann Shaffer

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The Guernsey Literary and Potato Peel Pie Society

By Annie Barrows

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The Guernsey Literary and Potato Peel Pie Society

By Mary Ann Shaffer, Rosalyn Landor, Annie Barrows, Paul Boehmer, Susan Duerden, Juliet Mills, John Lee

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The Guernsey Literary and Potato Peel Pie Society

By Mary Ann Shaffer

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"A glorious, gorgeous, completely irresistible novel, Guernsey will win hearts everywhere. An affecting, emotional epistolary novel recalling the charm and warmth of 84 Charing Cross Road and the g...

The Guernsey Literary and Potato Peel Pie Society

By Mary Ann Shaffer

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The Guernsey Literary and Potato Peel Pie Society

By Annie Barrows, Mary Ann Shaffer

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The Guernsey Literary and Potato Peel Pie Society

By Annie Barrows, Mary Ann Shaffer

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The Guernsey Literary and Potato Peel Pie Society

By Mary Ann Shaffer, Annie Barrows

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Le Cercle litteraire des amateurs d epluchures de patates

By Mary Ann Shaffer

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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.