Helen Benigni Books

The Myth of the Year Returning to the Origin of the Druid Calendar

By Benigni Helen, Barbara Carter, Eadhmonn Ua Cuinn, Helen Benigni

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Mythology of Venus

By Helen Benigni

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The Mythology of Venus is a collection of essays that summarizes the archaeoastronomy, calendar associations, religious and cultural icons, and myths identified with the planet Venus.

Mythology of Venus

By Helen Benigni

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Mythology of Venus

By Helen Benigni

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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.