Ruth Cardello Books

Maid for the Billionaire

By Ruth Cardello

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For Love or Legacy

By Ruth A Cardello

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Tycoon takedown

By Ruth Cardello

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Melanie Hanna has finally worked up the courage to travel from Texas to New York and tell an old flame that he's the father of her young son. When her best friend asks her brother to watch over Mel...

Bedding the billionaire

By Ruth Cardello

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"Lil Dartley's life is upside down. Her previously steadfast and predictable sister is marrying an influential billionaire and needs help planning the wedding of the century in less than a month. Y...

Hollywood heir

By Ruth Cardello

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"Sage Revere follows her instincts, which have led to an oddball career as a plant psychologist. As a side project, she also helps strangers find happiness. Sage has a gift for knowing who needs he...

Taking Charge

By Ruth Cardello

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In the Heir

By Ruth Cardello

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Pink Shades of Words

By Vi Keeland, Angela Graham, Jade C. Jamison, Tess Oliver, Melanie Shawn, Jessica Sorensen, Hilary Storm, Gretchen De La O, Liv Morris, Shayne McClendon, Chloe T. Barlow, Nicole Andrews Moore, Ruth Cardello, Julie A. Richman, K.A. Hunter, S.E. Hall, J.B. McGee, Jennifer Foor

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Always Mine

By Ruth Cardello

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The Broken One

By Ruth Cardello

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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.