Martin S. Kaplan Books

With tax laws constantly changing and existing regulations hidden in volumes of tax code, nothing related to taxes is easy to figure out. Businesses and individuals in every income bracket need exp...

What Irs Doesn t Want You to

By Martin S. Kaplan

Average: 0.00, 0 Ratings

What the IRS Doesn t Want You to Know

By Martin S. Kaplan, Marty Kaplan

Average: 0.00, 0 Ratings

What the IRS Doesn t Want You to Know

By Martin S. Kaplan

Average: 0.00, 0 Ratings

What the IRS Doesn t Want You to Know

By Naomi Weiss, Martin S. Kaplan, Marty Kaplan

Average: 0.00, 0 Ratings

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.