Riley Sager Books

"Two truths and a lie. The girls played it all the time in their cabin at Camp Nightingale. Vivian, Natalie, Allison, and first-time camper Emma Davis, the youngest of the group. But the games ende...

Survive the Night

By Riley Sager

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Survive the Night

By Riley Sager

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THE INSTANT NEW YORK TIMES BESTSELLEROne of New York Times Book Review's "summer reads guaranteed to make your heart thump and your skin crawl"; An Amazon Best of the Month Pick; Named a must-read...

The Only One Left

By Riley Sager

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THE INSTANT NEW YORK TIMES BESTSELLERNamed a summer book to watch by The Washington Post, Boston Globe, USA Today, Oprah, Paste, Country Living, Good Housekeeping, and Nerd Daily"Propulsive ... a d...

The Only One Left

By Riley Sager

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Final girls

By Riley Sager

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Final Girls

By Riley Sager

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THE NATIONAL AND INTERNATIONAL BESTSELLER “If you liked Gone Girl, you’ll like this.”—Stephen King   Ten years ago, six friends went on vacation. One made it out...

Home Before Dark

By Riley Sager

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Survive The Night

By Riley Sager

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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.