Robi Ludwig Books

Your best age is now

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"Although we've been conditioned to think "middle aged" is practically a four-letter word, the realities of women in midlife today are far different than what our mothers experienced. Women in thei...

Till Death Do Us Part

By Matt Birkbeck, Robi Ludwig

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Till Death Do Us Part

By Ellen Archer

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Till Death Do Us Part

By Matt Birkbeck, Robi Ludwig

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Your Best Age Is Now

By Robi Ludwig

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Your Best Age Is Now

By Robi Ludwig

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Your Best Age Is Now

By Robi Ludwig

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Till Death Do Us Part

By Matt Birkbeck, Robi Ludwig

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Till Death Do Us Part

By Matt Birkbeck, Robi Ludwig

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Till Death Do Us Part

By Larry King, Matt Birkbeck, Robi Ludwig, Nancy Grace

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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.