Michael Posner Books

In this revealing autobiography, Canada’s first lady of song, for the first time, tells the whole story of her astonishing 40-year career in show biz. It is a candid retrospective of the extraordin...

Fuel policy

By Posner Michael

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Demand Management

By Michael Posner

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Demand Management

By Michael Posner

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Public Expenditure

By Michael Posner

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The last honest man

By Posner Michael

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The Last Honest Man

By Michael Posner

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Novelist, essayist, satirist, and iconoclast, Mordecai Richler made an international reputation with such contemporary fiction triumphs as Barney’s Version and The Apprenticeship of Duddy Kra...

Money logic

By Moshe Arye Milevsky

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Attention And Performance 11: Mechanism Of Attention

By Michael I. Posner, Michael Posner

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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.