David Leopold Books

Young Karl Marx

By David Leopold

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Young Karl Marx

By David Leopold

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Stirner

By David Leopold, Max Stirner

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Young Karl Marx

By David Leopold

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Hirschfeld s Hollywood

By David Leopold

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"The name Al Hirschfeld has been synonymous with Broadway theater, but his dynamic work for Hollywood films is only now gaining the attention it deserves. By the time his first theatre drawing was...

Drawn to life

By Rex Reed, Mark Cave, David Leopold

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"Presents artist Al Hirschfeld's original ink drawings documenting the plays of Tennessee Williams and the cast of actors who performed his works. Published in conjunction with the exhibition of Hi...

American Theatre As Seen by Hirschfeld

By David Leopold, Al Hirschfeld

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American Theatre As Seen by Hirschfeld 1962 2002

By David Leopold, Al Hirschfeld

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American Theatre As Seen by Hirschfeld

By David Leopold, Al Hirschfeld

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American Theatre As Seen by Hirschfeld 1962 2002

By David Leopold, Al Hirschfeld

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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.