Daniel Rosenberg Books

Closing the Deal: Two Married Guys Take You from Single Miss to Wedded Bliss

By Richard Kirshenbaum, Daniel Rosenberg

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Two happily married regular guys share successful relationship advice with future brides who need help taking their existing relationships to the next level. It's not about outsmarting your man to...

Closing the Deal: Two Married Guys Reveal the Dirty Truth to Getting Your Man to Commit

By Richard Kirshenbaum, Daniel Rosenberg

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The unbroken record

By Daniel Rosenberg

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Commercial Transactions Checklists

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The human condition in the modern age

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The Human condition in the modern age

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Practical Commercial Precedents

By Daniel Rosenberg

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New Orleans dockworkers

By Daniel Rosenberg

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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.