Carol Higgins Clark Books

Fleeced

By Carol Higgins Clark

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Santa Cruise

By Mary Higgins Clark, Carol Higgins Clark

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Zapped

By Carol Higgins Clark

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Twanged

By Carol Higgins Clark

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Santa cruise

By Mary Higgins Clark, Carol Higgins Clark

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Embarking on a mystery seminar cruise during the holiday season, amateur sleuth Alvirah, private detective Regan, and their family members find their voyage overshadowed by a ghost spotting, disapp...

Zapped

By Carol Higgins Clark

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Wrecked

By Carol Higgins Clark

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Wrecked

By Carol Higgins Clark

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Dashing through the snow

By Mary Higgins Clark

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In Branscombe, N.H., novelist Nora Regan Reilly and her PI daughter, Regan Reilly, and their close friends Alvirah and Will Meehan, track down a missing employee of Conklin's Market who is connecte...

Dashing Through the Snow

By Mary Higgins Clark, Carol Higgins Clark

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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.