Gaynor Aaltonen Books

The history of architecture

By Gaynor Aaltonen

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The history of architecture

By Gaynor Aaltonen

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From ancient amphitheatres to modern ziggurats, this book explores the ways that architects throughout history have responded to civilizations, and given them the buildings they deserve. Written fo...

Story of Architecture

By Gaynor Aaltonen

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Spooks

By Roger Sharpe

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Nazi Files

By Paul Roland

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Hitler and His Inner Circle

By Gaynor Aaltonen, Jeremy Black, Paul Roland

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Archaeology

By Gaynor Aaltonen

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Archaeology

By Matthew Symonds

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Archaeology

By Gaynor Aaltonen

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Shakespeares Stories

By Khoa Le, Samantha Newman, Gaynor Aaltonen, William Shakespeare

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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.