Alexandra Hanly Books

Galactic Star Tarot

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An out-of-this-world exploration of Starseeds in this modern tarot deck expands traditional tarot symbolism to include spaceships, lasers, star codes, and extraterrestrial beings. Activate the star...

Akashic Soul Oracle

By Pamela Chen, Alexandra Hanly

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A modern, fun oracle deck to access the energy of the Akashic Records—containing all knowledge in the Universe, everything that ever has happened or will happen—to answer questions big...

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.