Gordon Campbell Books

Missing Witness

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Phoenix, Arizona, 1973. A beautiful woman, armed with a gun and accompanied by her twelve-year-old daughter, enters a house. Shots are fired. The woman and her daughter leave the house. Inside, her...

Missing Witness

By Gordon Campbell

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The book of flags

By Campbell Gordon

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Book of Flags

By Campbell Gordon

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The Grove Encyclopedia of Decorative Arts: 2 volumes: print and e-reference editions available

By Gordon Campbell

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Grove Encyclopedia of Classical Art and Architecture: 2 volumes

By Gordon Campbell

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The Oxford Dictionary of the Renaissance: Print and e-reference editions available

By GORDON CAMPBELL, Campbell Gordon

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"It is rare to find a comprehensive dictionary on such a vast topic in one volume. It is also uncommon to discover that the majority of the book's high-quality entries were written by one scholar....

Renaissance Art and Architecture

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The Oxford Illustrated History of the Renaissance

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John Milton

By Gordon Campbell, Campbell Gordon

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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.