Kopczynski Books

Prospective Financial Statement Analysis

By FRANK-J, Frank J. Kopczynski, Kopczynski

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Over the past several years, the AICPA, IMA, and SEC have been pressuring companies to provide more prospective financial information. In fact, the recent AICPA report, Reporting for the Future, sp...

Exploring Delaware Water Gap History: A Field Guide To The Historic Structures And Cultural Landscapes Of The Delaware Water Gap National Recreation Area

By Susan A Kopczynski, Kopczynski, Susan A. & William G. Dohe (Editor)

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Windows Powershell Unleashed

By Kopczynski

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Windows PowerShell Unleashed

By Kopczynski

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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.