Joseph Polansky Books

Ano 2009

By Joseph Polansky

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Ano 2010

By Joseph Polansky

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Ano 2011

By Joseph Polansky

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Ano 2012

By Joseph Polansky

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Profiles people born under each of the signs of the zodiac, outlines the major trends that will influence their lives in the coming year, and provides monthly forecasts.

Ano 2015

By Joseph Polansky

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Profiles people born under each of the signs of the zodiac, outlines the major trends that will influence their lives in the coming year, and provides monthly forecasts. Perfiles de las personas n...

Seu Horoscopo Pessoal para 1999

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Seu Horoscopo Pessoal para 2001

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Your Personal Horoscope 2013

By Joseph Polansky

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Your Personal Horoscope 2010

By Joseph Polansky

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Your Personal Horoscope 2009: Month-by-month Forecasts for Every Sign

By Joseph Polansky

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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.