Martha Hall Kelly Books

Las mujeres de la casa de las lilas

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Solsikkesostrene

By Martha Hall Kelly

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Las Rosas Olvidadas

By Martha Hall Kelly

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Russische rozen Woolsey Ferriday 2

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Lost Roses - Signed Autographed Copy

By Martha Hall Kelly

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The Golden Doves: A Novel

By Martha Hall Kelly

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Two former female spies, bound together by their past, risk everything to hunt down an infamous Nazi doctor in the aftermath of World War II—in a pulse-pounding novel inspired by true events from t...

The Martha's Vineyard Beach and Book Club

By Martha Hall Kelly

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Two sisters living on Martha's Vineyard during World War II find hope in the power of storytelling when they start a wartime book club for women in this spectacular novel inspired by true events fr...

The Golden Doves

By Martha Hall Kelly

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Two female spies risk everything to hunt down an infamous Nazi in this sweeping, profound tale of bravery from the bestselling author of Lilac Girls. “A riveting story of two brave and amazi...

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.