Karen M. McManus Books

Cousins

By Karen M. McManus

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Two Can Keep a Secret

By Karen M. McManus

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One of Us Is Lying

By Karen M. McManus

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One of Us Is Lying

By Karen M. McManus

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#1 NEW YORK TIMES BESTSELLER • NAMED ONE OF THE TEN BEST BOOKS OF THE YEAR BY ENTERTAINMENT WEEKLY • BUZZFEED • POPCRUSH“Pretty Little Liars meets The Breakfast Club” (En...

Two Can Keep a Secret

By Karen M. McManus

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One of Us Is Lying

By Karen M. McManus

Average: 0.00, 0 Ratings

#1 NEW YORK TIMES BESTSELLER • NAMED ONE OF THE TEN BEST BOOKS OF THE YEAR BY ENTERTAINMENT WEEKLY • BUZZFEED • POPCRUSH“Pretty Little Liars meets The Breakfast Club” (En...

One of us is lying

By Karen M. McManus

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The Breakfast Club meets Pretty Little Liars, One of Us Is Lying is the story of what happens when five strangers walk into detention and only four walk out alive. Everyone is a suspect, and everyo...

Two Can Keep a Secret

By Karen M. McManus

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The Cousins

By Karen M. McManus, Julia Whelan, Sarah Skaer, Kate Reinders, David Garelik

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Sadece Oluler Sir Tutabilir

By Karen M. McManus

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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.