K. Bailey Freund Books

The Retinal Atlas

By K. Bailey Freund, Lawrence A. Yannuzzi, David Sarraf, William F. Mieler, Lawrence A. Yannuzzi Md, William F. Mieler MD, K. Bailey Freund MD, David Sarraf MD, K. Bailey Freund MD, David Sarraf MD, William F. Mieler MD, Lawrence A. Yannuzzi MD

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With **more than 5,000 images, a unique page layout, and comprehensive illustrations** of the entire spectrum of vitreous, retina, and macula disorders, __The Retinal Atlas, 2nd Edition__, is an in...

Ryan'S Retina

By Andrew P. Schachat, Peter Wiedemann, David R. Hinton, K. Bailey Freund, SriniVas R. Sadda, Charles P. Wilkinson

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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.