Robert Anton Wilson Books

The sequel to the cult classic The Illuminatus! Trilogy, this is an epic fantasy that offers a twisted look at our modern-day world--a reality that exists in another dimension of time and space tha...

Masks of the Illuminati

By Robert A. Wilson

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This American underground classic is a rollicking cosmic mystery featuring Albert Einstein and James Joyce as the ultimate space/time detectives. One fateful evening in a suitably dark, beer-soaked...

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.