Keith Payne Books

The Broken Ladder

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"A persuasive and highly readable account." —President Barack Obama“Brilliant. . . . an important, fascinating read arguing that inequality creates a public health crisis in America.” —Nicholas Kri...

The broken ladder

By Payne Keith Social Scientist

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"A timely examination by a leading scientist of the physical, psychological, and moral effects of inequality Today's inequality is on a scale that none of us has seen in our lifetimes, yet this dis...

The road through the Isles.

By John Sharkey

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The Niche Threat

By Jerome Kahan, Keith Payne, Leon Sloss, Brad Roberts

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Why Strategic Defense Initiative Issues in national security

By Keith Payne, Keith B. Payne

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The Best is Always... Still Yet to Come

By Keith Payne

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Trouble with the Joneses

By Keith Payne

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The Broken Ladder

By Keith Payne

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The broken ladder

By Keith Payne

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A timely examination by a leading scientist of the physical, psychological, and moral effects of inequality.

Broken Hill

By Payne Keith Poet

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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.