Louis Gotlib Books

How to Prepare for the GED

By Johanna M. Bolton, Louis Gotlib, Max Peters, Brownstein Samuel C., Robert Feinstein, Murray Rockowitz, Sally Ramsey, Ira K. Ph.D. Wolf

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GED high school equivalency exam

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How to Prepare for the GED with CD ROM

By Johanna M. Bolton, Louis Gotlib, Max Peters, Brownstein Samuel C., Robert Feinstein, Murray Rockowitz, Sally Ramsey, Ira K. Ph.D. Wolf

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How To Prepare For The Clep With Cd-Rom

By Ruth Ward, Adrian W. Poitras, Michael Colucci, Shirley O. Hockett, Elizabeth Schmid, Louis Gotlib, William C. Doster, Robert Bjork, David Bock, William C. Doster, Elizabeth Schmid, Ruth Ward, Adrian W. Poitras, Louis Gotlib, Shirley O. Hockett, David Bock, Robert Bjork, Michael Colucci

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The College Entrance Examination Board and Educational Testing Service developed the College-Level Examination Program (CLEP) for a variety of purposes: 1. Many adults were returning to the classro...

Barron s MCAT

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Barron s Pass key to the GED

By Murray Rockowitz

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Barron's CLEP with CD-ROM, 11th Edition

By David Bock, Louis Gotlib, Michael Colucci, Ruth S. Ward

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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.