Helen Persson Books

19th Century Fashion in Detail

By Lucy Johnston, Marion Kite, Helen Persson

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Nineteenth-Century Fashion In Detail

By Marion Kite, Helen Persson, Lucy Johnston, Johnston Lucy.

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A glorious companion volume to Historical Fashion in Detail- The 17th and 18th Centuries (V&A 2000) and Modern Fashion in Detail (V&A 1998), this book captures the opulence and variety of nineteent...

Shoes

By Helen Persson

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Empirens dottrar

By Helen Persson

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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.