Hazrat Inayat Khan Books

The Indian Sufi master Hazrat Inayat Khan (18821927) was the first teacher to bring Sufism—Islamic mysticism—to the Western world. His teaching was noted for its stirring beauty a...

The mysticism of sound and music

By Inayat Khan

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Music, according to Sufi teaching, is really a small expression of the overwhelming and perfect harmony of the whole universe - and that is the secret of its amazing power to move us. The Indian Su...

The Heart of Sufism

By H.J. Witteveen

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The Indian Sufi master Hazrat Inayat Khan (1882-1927) was the very first teacher to bring Sufism to the Western world. This is the first representative collection of the master's teachings  m...

A Sufi Message of Spiritual Liberty

By Hazrat Inayat Khan

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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.