Mary Christopher Books

The wedding

By West Dorothy, Dorothy West, Mary Christopher

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On the island of Martha's Vineyard, a very special community has flourished since the turn of the century, an exclusive summer colony of affluent vacationers. A proud, insular, nearly unassailable...

The richer, the poorer

By West Dorothy, Mary Christopher

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The stories contained here are as American as jazz, and as wise and multifaceted as their writer. Dorothy West's metier is the unique crucible in which America places its black middle class, but he...

A Budding Rapture Dawnstar Romance

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Royal Wedding

By Mary Christopher

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Harvest of Desire

By Christophe, Mary Christopher

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Elusive victory.

By Mary Christopher

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Harvest of Desire

By Mary Christopher

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Royal Wedding

By Mary Christopher

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Royal wedding

By Mary Christopher

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The Dorothy West Martha's Vineyard

By James Robert Saunders, Mary Christopher

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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.