David Chotjewitz Books

Daniel Half Human

By David Chotjewitz

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Daniel half human and the good Nazi

By David Chotjewitz

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In 1933, best friends Daniel and Armin admire Hitler, but as anti-Semitism buoys Hitler to power, Daniel learns he is half Jewish, threatening the friendship even as life in their beloved Hamburg,...

Daniel half human

By David Chotjewitz

Average: 0.00, 0 Ratings

In 1933, best friends Daniel and Armin admire Hitler, but as anti-Semitism buoys Hitler to power, Daniel learns he is half Jewish, threatening the friendship even as life in their beloved Hamburg,...

Daniel Half Human

By David Chotjewitz

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Daniel Half Human

By David Chotjewitz

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Crazy diamond

By David Chotjewitz

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Chronicles the meteoric rise and fall of a young pop music star in Germany, as well as the relationships she builds and destroys along the way.

Daniel Halber Mensch.

By David Chotjewitz

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Daniel Halber Mensch.

By David Chotjewitz

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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.