CHRISTOPHER THOMAS Books

Managerial Economics

By S. Charles Maurice

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Schaum's Outline of Mathematics for Liberal Arts Majors

By Thomas Christopher

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Helps students understand basic concepts and offers extra practice on such topics as logic, truth tables, axiom statements, consumer mathematics, probability and counting techniques, the real numbe...

McGraw-Hill's 6 GRE Practice Tests

By Kathy A. Zahler

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Student Workbook

By MAURICE

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Managerial Economics

By Christopher R. Thomas

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Student Workbook for use with Managerial Economics

By S. Charles Maurice, Christopher R. Thomas

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Managerial Economics with Student CD

By S. Charles Maurice, Christopher R. Thomas

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Managerial Economics: Foundations of Business Analysis and Strategy

By Christopher R. Thomas

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In Search of Lost Roses

By Thomas Christopher

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London's Archaeological Secrets

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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.