Franklin James Plewa Books

Understanding income statements

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When confronted with financial reports, most nonfinancial managers feel uneasy. They see a bewildering array of figures, tables, accounting procedures, and technical jargon. They know that finances...

Income Statements

By Franklin J. Plewa, George T. Friedlob, Franklin J. Plewa Jr.

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Understanding cash flow

By Franklin James Plewa, Franklin J. Plewa

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Understanding Cash Flow is written for nonfinancial managers, small business owners, investors, and others who appreciate the importance of the cash flow process, but feel they lack the formal trai...

Understanding Cash Flow

By George T. Friedlob, Franklin J. Plewa Jr.

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Financial and business statements

By G. Thomas Friedlob

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Keys to improving your return to investment (ROI)

By Franklin James Plewa

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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.