Richard Kaczynski Books

Panic in Detroit

By Richard Kaczynski

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Perdurabo

By Richard Kaczynski

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Friendship in Doubt

By Richard Kaczynski

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Perdurabo, Revised and Expanded Edition

By Richard Kaczynski

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A rigorously researched biography of the founder of modern magick, as well as a study of the occult, sexuality, Eastern religion, and more The name “Aleister Crowley” instantly con...

Weiser Concise Guide to Aleister Crowley

By James Wasserman, Richard Kaczynski

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Perdurabo

By Carlos M. Pla, Richard Kaczynski

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Billionth Monkey

By Richard Kaczynski

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Perdurabo, Revised and Expanded Edition

By Richard Kaczynski

Average: 0.00, 0 Ratings

A rigorously researched biography of the founder of modern magick, as well as a study of the occult, sexuality, Eastern religion, and more The name “Aleister Crowley” instantly con...

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.