Nelson Paula Books

Where to get money for everything

By Nelson Paula

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Paula Nelson's guide to getting rich

By Nelson Paula

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The prairie winnows out its own

By Nelson Paula

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Between 1900 and 1915, in the last great land rush, over one hundred thousand homesteaders flooded into the west river country of South Dakota, a land noted for its aridity and unpredictable weathe...

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.