David Levithan Books

Love Is the Higher Law

By David Levithan

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Nick & Norah's Infinite Playlist

By Rachel Cohn

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High school student Nick O'Leary, straight member of a homosexual rock band, meets college-bound Norah Silverberg and asks her to be his girlfriend for five minutes in order to avoid his ex-sweethe...

Every Day

By David Levithan

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Another day

By David Levithan

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"Rhiannon is disappointed that her neglectful boyfriend Justin doesn't remember the one perfect day they shared, until a stranger tells her that the Justin she spent that day with, the one who made...

Invisibility

By Andrea Cremer

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"To break his curse of invisibility, a boy is helped by a girl, who is the only one who can see him"--

Someday

By David Levithan

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Celebrate all the ways love makes us who we are with the sequel to the New York Times bestseller Every Day, now a major motion picture.Every day a new body. Every day a new life. Every day a new ch...

The Mummy: A Junior Novelization

By David Levithan

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The Mummy

By David Leviatan, Stephen Sommers, David Levithan

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The Mummy Scrapbook

By Anne Downey, Stephen Sommers, James Preller, David Levithan

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10 Things I Hate About You

By David Levithan

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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.