John P. Diggins Books

On hallowed ground

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"John Patrick Diggins offers a reassessment of American history, emphasizing the foundational role of Abraham Lincoln's moral and political theory. Distressed by the divisive impact of modern ident...

On Hallowed Ground

By John Patrick Diggins

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The Proud Decades

By John Patrick Diggins, John P. Diggins

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The rise and fall of the American left

By John P. Diggins

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Ronald Reagan

By John Patrick Diggins, John P. Diggins

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"Following his departure from office, Ronald Reagan was marginalized thanks to liberal biases that dominate the teaching of American history, says John Patrick Diggins. Yet Reagan, like Lincoln (wh...

Ronald Reagan

By John Patrick Diggins

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The Proud Decades

By John Patrick Diggins

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Max Weber

By John P. Diggins

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Ever since World War II, Max Weber has been regarded as a monument to the most conservative and conventional orthodoxies of the social science establishment. Despite the fact that many of Weber's b...

The lost soul of American politics

By John Patrick Diggins, John P. Diggins

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Thorstein Veblen

By John P. Diggins

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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.