Bryan Aspland Books

The Instant Astrologer: Everything You Need To Cast And Read Your Own Birth Chart

By Felix Lyle, Bryan Aspland, Felix Lyle And Bryan Aspland

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With this book's unique CD-ROM, students of astrology can find out everything they need to cast and read their own birth chart. Full color.

Instant Astrologer

By Felix Lyle, Bryan Aspland

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The Instant Astrologer Book

By Felix Lyle, Bryan Aspland

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The Secret Of The Runes: The Future Interpreted With This Ancient Nordic System Of Divination

By Bryan Aspland, Horik Svensson

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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.