Ray Whittington Books

Income Tax Fundamentals 1987 E Dition

By Ray Whittington, Gerald E. Whittenburg

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Wiley CPA Exam Review Fast Track Study Guide

By Ray Whittington

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Wiley CPA exam review 2011

By Ray Whittington

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"'Wiley CPA exam review 2011' arms test-takers with detailed outlines, study guidelines, and skill-building problems to help candidates identify, focus on, and master the specific topics that need...

Wiley CPA exam review 2011

By Ray Whittington

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"Wiley CPA Exam Review 2011 arms test-takers with detailed outlines, study guidelines, and skill-building problems to help candidates identify, focus on, and master the specific topics that need th...

Wiley CPA exam

By Ray Whittington

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Wiley CPA exam review

By Ray Whittington

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Published annually, this comprehensive four-volume paperback reviews all four parts of the CPA exam. Many of the questions are taken directly from previous CPA exams. With 3,800 multiple-choice que...

Wiley CPA Examination Review Volume 2 Problems and Solutions 30th Edition 2003 2004

By Ray Whittington, O. Ray Whittington, Patrick R. Delaney

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Wiley CPA Examination Review 2 Volume Set 30th Edition 2003 2004

By Ray Whittington, Patrick R. Delaney

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Wiley CPA Examination Review 2005 2006 2 Volume Set Wiley Cpa Examination Review

By Ray Whittington, O. Ray Whittington, Patrick R. Delaney

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Wiley CPA exam review

By Ray Whittington

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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.