Helen Bauer Books

Hawaii the Aloha State

By Helen Bauer

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An introduction to Hawaii's history with theories on its origin, and to its geography, culture, and industries.

Hawai?i, the Pacific State

By Ann Rayson

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An introduction to Hawaii's history with theories on its origin, and to its geography, culture, and industries.

Hawaii the Pacific State

By Ann Rayson, Helen Bauer

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Young People s Guide to Classical Music

By Helen Bauer

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Young People s Guide to Classical Music

By Helen Bauer

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Young People s Guide to Classical Music

By Helen Bauer

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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.