David Harry Grinspoon Books

"A NASA astrobiologist outlines optimistic messages about humanity's future in the face of climate change, explaining how the human role in managing the planet's evolution is determining the course...

Towards Understanding the Climate of Venus

By David Harry Grinspoon, Symeon Koumoutsaris, Sebastien Lebonnois, Lennart Bengtsson, Dmitri Titov, Roger Maurice Bonnet

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Lonely Planets

By David Harry Grinspoon

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Lonely Planets

By David Harry Grinspoon

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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.