Katharine A. Phillips Books

Using stories and interviews to show the many different behaviors and symptoms of BDD, and providing a quick self-assessment questionnaire, Dr. Phillips helps readers distinguish between normal con...

All That Glittered: Selected Correspondence, 1890-1924

By Lionel Phillips

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The Adonis Complex

By Harrison Pope, Roberto Olivardia, Katharine A. Phillips, Harrison G. Pope Jr.

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The Adonis Complex

By Roberto Olivardia, Harrison G. Pope, Katharine A. Phillips

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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.