Leo Trachtenberg Books

The wonder team

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The author of this book describes in detail the chronology of the year 1927, when the great New York Yankees became The Wonder Team - probably baseball's best team ever. That club included Babe Rut...

The wonder team

By Leo Trachtenberg

Average: 0.00, 0 Ratings

The sponsor's guide to filmmaking

By Leo Trachtenberg

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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.