Sandy Botkin Books

"Completely revised and updated for 2017--the must-have resource for saving thousands of dollars at tax time! Now, the acclaimed tax expert shows you how to legally and ethically take advantage of...

Lower Your Taxes BIG TIME 2019 2020

By Sandy Botkin

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Lower Your Taxes - Big Time 2011-2012 4 E

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Lower Your Taxes Big Time 2007 2008 Edition

By Sanford C. Botkin

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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.