Rod Plotnik Books

PowerStudy CD ROM Version 1.5 for Plotnik s Introduction to Psychology

By Rod Plotnik

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PowerStudy 2.0 CD ROM

By Rod Plotnik, Tom Doyle

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Introduction to Psychology (with InfoTrac(R))

By Rod Plotnik

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Using a unique "magazine-style" format, Rod Plotnik's INTRODUCTION TO PSYCHOLOGY offers a modular, visually-oriented approach to the fundamentals that makes even the toughest concepts engaging and...

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.