Stacy Palen Books

Understanding Our Universe and Learning Astronomy by Doing Astronomy

By Ana Larson, Stacy Palen, George Blumenthal, Bradford Smith, Laura Kay

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Understanding Our Universe

By Stacy Palen, George Blumenthal

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21st Century Astronomy

By Stacy Palen, George Ray Blumenthal

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"21st Century Astronomy is designed for the two-semester introductory astronomy course for non-majors. The text is designed to align with the three primary goals of this course: teaching students h...

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.