Diana Peterfreund | ISBNLab.com

This novel takes us into the heart of the Ivy League's ultraexclusive secret societies when a young woman is invited to join as one of their first female members. Elite Eli University junior Amy Ha...

Under the Rose

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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In the Study with the Wrench

By Diana Peterfreund

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In the Ballroom with the Candlestick

By Diana Peterfreund

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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.

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

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