Nancy Warren Books

Stroke of Midnight

By Nancy Warren, Jamie Ann Denton, Carrie Alexander

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It Happened One Christmas

By Jule McBride, Susan Wiggs, Nancy Warren

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Is there a murderous poltergeist on the loose?When an Oxford caretaker is killed by a fall down the library stairs, and a professor attacked, rumors fly that it's the work of a poltergeist who's be...

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Lace and Lies

By Nancy Warren

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Cardinal Woolsey's Yarn Shop has been chosen to appear on TVGreat publicity!Until a murder stops the cameras...Celebrity knitting designer Teddy Lamont is coming to Cardinal Woolsey's knitting and...

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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.