Samuel C Brownstein Books

Barron's basic tips on the SAT, scholastic aptitude test

By Brownstein Samuel C.

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Basic tips on the scholastic aptitude test, SAT

By Brownstein Samuel C.

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Drill material and review in word study, reading comprehension, standard written English, and mathematics. Also includes a complete simulated test with correct answers explained.

Basic word list

By Brownstein Samuel C.

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A pocket-size word list, with definitions and examples of use in sentences, for those planning to take college entrance examinations, achievement tests, or other competitive or qualifying examinati...

Vocabulary builder

By Brownstein Samuel C.

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Basic tips on the scholastic aptitude test, SAT

By Brownstein Samuel C.

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Drill material and review in word study, reading comprehension, standard written English, and mathematics. Also includes a complete simulated test with correct answers explained.

Barron's basic tips on the PSAT NMSQT, Preliminary Scholastic Aptitude Test National Merit Scholarship Qualifying Test

By Brownstein Samuel C.

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Barron's how to prepare for college entrance examinations

By Brownstein Samuel C.

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Barron's basic tips on the scholastic aptitude test, SAT

By Brownstein Samuel C.

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Drill material and review in word study, reading comprehension, standard written English, and mathematics. Also includes a complete simulated test with correct answers explained.

How to prepare for the graduate record examination

By Brownstein Samuel C.

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How to prepare for the graduate record examination

By Brownstein Samuel C.

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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.