Jonathan Porter Books

Macau The Imaginary City

By Jonathan Porter

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Macau, the imaginary city

By Jonathan Porter

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In this evocative essay on the cultural and social history of a unique and fragile city, Jonathan Porter examines Macau as an enduring but ever-changing threshold between East and West. Establishi...

The Color of Wildness

By Jonathan Porter, John Rohrbach

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Tseng Kuo-fan's private bureaucracy.

By Jonathan Porter

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Imperial China 1350 1900

By Jonathan Porter

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Imperial China 1350 1900

By Jonathan Porter

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Macau

By Jonathan Porter

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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.