Steffi Kaprov Books

ASVAB Basics Asvab Basics

By Ronald M. Kaprov, Peterson S

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Master the GED 2009

By Ronald M. Kaprov, Steffi R Kaprov

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Master the GED 2009 with CD Master the Ged Book CD Rom

By Ronald M. Kaprov, Steffi R Kaprov

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Peterson s Master the GED 2010

By Ronald M. Kaprov

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"Master the GED 2010" is a comprehensive guide that provides the review material and test prep needed to score higher on the high-school equivalency diploma test. The exercises and drills provide h...

Peterson's Master the GED, 2010

By Ronald M. Kaprov

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Master the GED

By Steffi Kaprov, Ronald M. Kaprov

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The new GED test series begins on January 1, 2012, and Peterson's is ready to help GED test takers score high. Master the GED 2011 with CD is a comprehensive guide that offers the essential test-pr...

Master the GED 2008 w CD ROM Master the Ged Book CD Rom

By Ronald M. Kaprov, Peterson S

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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.