Ron Woldoff Books

GRE for dummies

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This quick prep edition gets down to the nitty gritty, and covers just what you need to know to prepare for the GRE. You'll get a sneak peek at the parts of the exam, tips to help you get the most...

GRE for dummies

By Ron Woldoff

Average: 0.00, 0 Ratings

This quick prep edition gets down to the nitty gritty, and covers just what you need to know to prepare for the GRE. You'll get a sneak peek at the parts of the exam, tips to help you get the most...

GRE for dummies

By Ron Woldoff

Average: 0.00, 0 Ratings

This quick prep edition gets down to the nitty gritty, and covers just what you need to know to prepare for the GRE. You'll get a sneak peek at the parts of the exam, tips to help you get the most...

SAT for dummies quick prep edition

By Geraldine Woods

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Does the thought of preparing for the SAT cause you to break out in a cold sweat? Get the basics to gauge how far you've progressed in your test preparation with this hands-on guide and practice test.

GRE for dummies

By Ron Woldoff

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Gre For Dummies

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Lifelines for the SAT PSAT math workbook

By Ron Woldoff, Elleyne Kase

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GRE for dummies

By Ron Woldoff

Average: 0.00, 0 Ratings

GRE for dummies

By Ron Woldoff

Average: 0.00, 0 Ratings

GRE for dummies

By Ron Woldoff

Average: 0.00, 0 Ratings

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.