Julie V. Schaffer MD Books

Dermatology 2 Volume Set

By Jean L. Bolognia MD, Julie V. Schaffer MD, Joseph L. Jorizzo MD

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Dermatology, edited by world authorities Jean L. Bolognia, MD, Joseph L. Jorizzo, MD, and Julie V. Schaffer, MD, is an all-encompassing medical reference book that puts the latest practices in derm...

Dermatology Essentials

By Jean L. Bolognia MD, Karynne O. Duncan MD, Christine J. Ko MD, Julie V. Schaffer MD

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Dermatologia

By Nicole Knopfel, Francisco Sala Merchan, Jean L. Bolognia MD, Lorenzo Cerroni, Gea Consultoria Editorial, Antonio Zambrano Zambrano, Jose Luis Balibrea, Elena Zamora Martinez, Julie V. Schaffer MD

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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.