Robert Lekachman Books

Capitalism for beginners

By Robert Lekachman

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The Economic Consequences of the Peace

By John Maynard Keynes

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One of the most important economic documents of the 20th centuryJohn Maynard Keynes, at the time a rising young economist, abruptly resigned his position as adviser to the British delegation negoti...

The varieties of economics

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The Theory of the Leisure Class

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A classic of sociology and economics, originally published in 1899With exquisite irony, Veblen, the "best critic of America that America has produced" (C. Wright Mills), lays bare the hollowness of...

TROTSKY FOR BEGINNERS

By Robert Lekachman, Tariq Ali

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The new conservatives

By Lewis A. Coser

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Signori di popolo

By Riccardo Rao

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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.