Katherine Howe Books

Vanderbilt

By Anderson Cooper, Katherine Howe

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Vanderbilt

By Anderson Cooper, Katherine Howe

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Vanderbilt CD

By Anderson Cooper, Katherine Howe

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The Lost Book of Salem

By Katherine Howe

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The Penguin Book of Witches

By Katherine Howe

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Chilling real-life accounts of witches, from medieval Europe through colonial America, compiled by the New York Times bestselling author of The Physick Book of Deliverance Dane and The Daughters of...

Conversion

By Katherine Howe

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When girls start experiencing strange tics and other mysterious symptoms at Colleen's high school, her small town of Danvers, Massachusetts, falls victim to rumors that lead to full-blown panic, an...

The appearance of Annie van Sinderen

By Katherine Howe

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"During his summer term at NYU, student filmmaker Wes Auckerman meets an entrancing girl whose search for a lost ring may unlock a dark secret from her mysterious past"--

Lost Book of Salem

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David Amico, Carole Caroompas, Mary Fish, Randall Lavender, Brian Longe

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House of Velvet and Glass The CD

By Katherine Howe

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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.