Glenn H. Mullin Books

The Kalachakra spiritual legacy is a vital and central part of Tibetan Buddhism. Presented here is a detailed and practical overview of this unique spiritual path. In Part One, the author discusse...

Ancient Wisdom Living Tradition

By His Holiness Tenzin Gyatso The XIV Dalai Lama, Lobsang P. Lhalungpa, Glenn H. Mullin, Geshe Tashi Gyaltsen, Marcia Keegan

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Buddha in paradise

By Glenn H. Mullin

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Readings on the Six Yogas of Naropa

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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.