Ruth Ryan Langan Books

Once Upon a Midnight

By Marianne Willman, Nora Roberts, Ruth Ryan Langan, Jill Gregory

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Dead of Night

By Ruth Ryan Langan, Mary Blayney, Nora Roberts, Mary Kay McComas

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Four New York Times bestselling authors breach the boundaries of time and reality in these paranormal tales of suspense, intrigue, and out-of-this world passion…Futuristic lieutenant Eve Dallas end...

Until the Bough Breaks by Christine McGuire

By Ruth Ryan Langan, Christine McGuire

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Destiny s Daughter

By Ruth Ryan Langan

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The heart's secret

By Ruth Ryan Langan

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Addy Starr

By Ruth Ryan Langan

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Once Upon A Star

By Marianne Willman, Ruth Ryan Langan, Jill Gregory, Nora Roberts

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Duchess of Fifth Avenue

By Ruth Ryan Langan

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To save her best friend and her child from a wretched husband, New York City maid Lana Dunleavy must transform herself into a lady. But she never imagines her heart will be transformed by the confi...

Addy Starr

By Ruth Ryan Langan

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Holiday Inn

By Linda Madl, Linda Jones, Ruth Ryan Langan, Debra Dier

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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.