Diana Peterfreund Books

Omega City

By Diana Peterfreund

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Omega City

By Diana Peterfreund

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Omega City

By Diana Peterfreund

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Rites of Spring Break

By Diana Peterfreund

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Tap & Gown

By Diana Peterfreund

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Fans of Beautiful Disaster will devour Diana Peterfreund’s Ivy League novels—Secret Society Girl, Under the Rose, Rites of Spring (Break), and Tap & Gown. At an elite university, Amy Haskel has bee...

Secret Society Girl

By Diana Peterfreund

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Under the Rose

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Rites of Spring (Break)

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Tap & Gown

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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.