Riley Sager Books

Lock Every Door

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INSTANT NEW YORK TIMES BESTSELLER“Looking for a suspense novel that will keep you up until way past midnight? Look no further than Lock Every Door, by Riley Sager.”—Step...

Home Before Dark

By Riley Sager

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In the latest thriller from New York Times bestseller Riley Sager, a woman returns to the house made famous by her father’s bestselling horror memoir. Is the place really haunted by...

"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...

Final Girls

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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Last Time I Lied

By Riley Sager

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Last Time I Lied

By Riley Sager

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Last Time I Lied

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.