Karissa Vacker Books

The End of Her

By Karissa Vacker, Shari Lapena

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Race For Terre Bluff

By Sandy Knauer, Karissa Vacker, Jordan H. Bartlett

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Winning the crown was only the beginning. Jacs, now the rightful Queen of Frea, seems to be Queen in title alone. She scrambles to learn the customs and traditions of a Realm she had only read abou...

One of Us Is Next

By Karen M. McManus, Fred Berman, Karissa Vacker, Maria Liatis, Holly Linneman

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The Never Tilting World Lib E

By Rin Chupeco, Karissa Vacker, Amy Landon, Anthony Rey Perez, Emily Rankin

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Shoulder Season

By Karissa Vacker, Christina Clancy

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The Golden Couple

By Sarah Pekkanen, Karissa Vacker, Marin Ireland, Greer Hendricks

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A Flicker in the Dark

By Karissa Vacker, Stacy Willingham

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All the Dangerous Things

By Karissa Vacker, Stacy Willingham

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Once and for All

By Karissa Vacker, Sarah Dessen

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From Here To You

By Andrew Eiden, Karissa Vacker, Jamie McGuire

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One woman must decide whether she can trust a complete stranger to protect her and unborn child from the threats of her past in this "touching modern romance" f rom the author of the #1 New York...

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.