Ward David A. Books

The Federal taxation of corporations and shareholders

By Ward David A.

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Taxation of income of foreign affiliates

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Alcatraz

By Ward David A.

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Alcatraz America s Devil s Island

By Ward David A.

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Part I, Alcatraz from 1934 to 1948. The federal government's war on "public enemies"--A new form of imprisonment -- Selecting the "worst of the worst" -- The program -- Organized resistance : a reg...

Sociology for the 21st Century Test Bank

By Ward David A., Lorene H. Stone

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Sociology for the 21st Century

By Ward David A., Lorene H. Stone

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96th Pennsylvania Volunteers in the Civil War

By Ward David A.

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Current estate planning: being chapters 18 and 20 of Current tax planning

By Ward David A.

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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.