Hallie Ephron Books

Never Tell a Lie

By Hallie Ephron

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Never Tell a Lie: A Novel of Suspense

By Hallie Ephron

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Come and Find Me: A Novel of Suspense

By Hallie Ephron

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You ll never know dear

By Hallie Ephron

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Night night sleep tight

By Hallie Ephron

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Los Angeles, 1985. When Deirdre Unger makes the drive from San Diego to Beverly Hills to help her father put his dilapidated house on the market, she's expecting to deal with his usual kvetching an...

The everything guide to writing your first novel

By Hallie Ephron

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The everything guide to writing your first novel

By Hallie Ephron

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There Was an Old Woman Lib E

By Hallie Ephron, Nan McNamara

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You ll Never Know Dear

By Hallie Ephron

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Writing Selling Your Mystery Novel

By Hallie Ephron

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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.