Wilbur Cross Books

The Conway Twitty Story

By Wilbur Cross, Michael Kosser

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The Henry Holt retirement sourcebook

By Wilbur Cross

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The Henry Holt Retirement Sourcebook

By Wilbur Cross

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Complete Small Business Sourcebook

By Wilbur Cross, Carl Hausman

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Who, what, when, where, why-- in the world of geography

By Wilbur Cross

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A collection of questions and answers about countries, bodies of water, deserts, polar regions, maps, people, natural disasters and other topics relating to geography.

Encyclopedia of American submarines

By Wilbur Cross

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Alphabetically arranged entries offer a complete history of the submarine, covering classes, individual submarines, battles, distinguished figures, and key nautical, military, and scientific terms.

Penn Center

By Orville Vernon Burton, Wilbur Cross

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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.