Carl Sagan Books

Comet

By Carl Sagan, Ann Druyan

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Billions and Billions: Thoughts on Life and Death at the Brink of the Millennium

By Carl Sagan

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In this book, his last, Carl Sagan shows once again his extraordinary ability to interpret the mysteries of life and the majesty of the universe for the general reader. In Billions and Billions Sa...

Pale Blue Dot: A Vision of the Human Future in Space

By Carl Sagan

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A thousand years from now, our epoch will be remembered as the time when we first left the Earth and saw it from beyond the outermost planet as a pale blue dot, almost lost against the backdrop of...

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.

Carl Sagan Books

Comet

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Billions and Billions: Thoughts on Life and Death at the Brink of the Millennium

Pale Blue Dot: A Vision of the Human Future in Space

A Path Where No Man Thought

Murmurs of Earth

Cosmos

A path where no man thought

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

What is an EAN and How Does it Relate to an ISBN?