Robert Dresner Books

The Coming

By Robert Dresner

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The Astral Imperative: Vol. Iii Regenesis

By Robert Dresner

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The Astral Imperative (Vol. I): The Dream

By Robert Dresner, Dresner, Robert

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Destiny meets the Starship Aelita . . . A remarkable journey across the galaxy begins in 2037 as Earth emerges from a ruinous decade of war and terrorist activity. There is a widespread shortage of...

The Astral Imperative (Vol. Ii): The Machine

By Robert, Robert Dresner, Dresner

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Satori Blues

By Robert Dresner, Robert B Dresner

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Satori Blues is the story of a most unusual man, a jazz musician adrift in a haze of drugs and pointless relationships, who experiences his Buddha nature. The optimism of the early 1960s, the love...

The Astral Imperative

By Robert Dresner

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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.