Ogilvy David Books

How to Advertise

By Kenneth Roman, Jane Maas

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Ogilvy on Advertising

By David Ogilvy, Ogilvy David

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Confessions of an advertising man

By Ogilvy David

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A candid and indispensable primer on all aspects of advertising from the man Time has called "the most sought after wizard in the business." Told with brutal candor and prodigal generosity, David O...

David Ogilvy uber Werbung

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The Private Pilot s Licence

By David Ogilvy

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Ogilvy on Advertising

By David Ogilvy

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A candid and indispensable primer on all aspects of advertising from the man Time has called "the most sought after wizard in the business." Told with brutal candor and prodigal generosit...

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.