Danny Unger Books

Friends in Need

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Who contributes to alliances and why? Is a state's aggregate relative capabilities the major factor in determining participation? How do perceived threats, dependence on other alliance members, dom...

Japan's emerging global role

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Japan's emerging global role

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Jian yi dian hua Ying yu

By Danny Unger

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Friends in Need

By Joseph Lepgold, Danny Unger, Andrew Bennett

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Building Social Capital in Thailand: Fibers, Finance and Infrastructure

By Danny Unger

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Sabbath Disputation

By Tammie Unger, Danny Unger

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Building Social Capital in Thailand: Fibers, Finance, and Infrastructure

By Danny Unger

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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.