Joseph Polansky Books

Your Personal Horoscope 2011: Month-by-month Forecasts for Every Sign

By Joseph Polansky

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Your personal horoscope 2013

By Joseph Polansky

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Your complete one-volume guide to the year 2013. This fantastic and in-depth book includes month-by-month forecasts for every sign and all you need to know to find out what is in store for you in t...

Your personal horoscope 2013

By Joseph Polansky

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Your Personal Horoscope 2014: Month-by-month forecasts for every sign

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Your Personal Horoscope 2015

By Joseph Polansky

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Your Personal Horoscope 2016

By Joseph Polansky

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Your Personal Horoscope 2018

By Joseph Polansky

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Your Personal Horoscope 2019

By Joseph Polansky

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Sun sign success

By Joseph Polansky

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Your Personal Horoscope For 1998 Your Personal Horoscope

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.