Karl D. Speak Books

Sea su propia marca

By Karl D. Speak, David McNally

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Be Your Own Brand

By Karl D. Speak, David McNally

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Be Your Own Brand

By David Mcnally, Karl D. Speak

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Be Your Own Brand

By Karl D. Speak, David McNally

Average: 0.00, 0 Ratings

In this second edition of their classic book on personal brand, David McNally and Karl Speak show that developing a personal brand is not about constructing a contrived image. Rather, it is a proce...

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.