Charles Lockwood Books

Bricks & Brownstone: The New York Row House, 1783-1929- An Architectural and Social History

By Charles Lockwood

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Guide To Hollywood Beverly Hills

By Charles Lockwood

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The human story

By Charles Lockwood

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A guide to man's ancestors, from the earliest hominids such as Sahelanthropus, dating back six to seven million years, through to our own species. It explains what each of the key species represent...

Dream Palaces: Hollywood at Home

By Charles Lockwood

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Bricks and brownstone

By Charles Lockwood

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Mixed Use Development Handbook

By Oliver Jerschow, David Versel, Dean Schwanke, Patrick L. Phillips, Deborah Myerson, Leslie Holst, Frank Spink, Steven Fader, Charles Lockwood

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Suddenly San Francisco

By Charles Lockwood

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Suddenly San Francisco

By Charles Lockwood

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Bricks and Brownstones

By Charles Lockwood

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Bricks and Brownstone

By Charles Lockwood

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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.