Helen Philon Books

Catalogue of Islamic art.

By Mouseio Benake., Helen Philon

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Ragamala

By Catherine Ann Glynn

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Ragamala is a unique form of Indian miniature painting developed by combining a variety of sources including musical codes and accompanying poetry to indicate the time of day, or season, in which t...

Islamic Architecture of Deccan India

By George Michell, Helen Philon

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Gulbarga Bidar Bijapur

By Helen Philon

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Silent splendour

By Helen Philon

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Discovering the Deccan

By George Michell, Helen Philon

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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.