Carl Sagan Books

A Path Where No Man Thought: Nuclear Winter and the End of the Arms Race

By Carl Sagan, Richard Turco

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Cosmos

By Carl Sagan

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Cosmos is the book version of Carl Sagan's famous television series of the same name. While it certainly is about Sagan's field of expertise, astronomy, it also a survey of the intellectual histor...

The Spear of Mars The Future at War Volume 2

By Reginald Brentor

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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.

Carl Sagan Books

A Path Where No Man Thought: Nuclear Winter and the End of the Arms Race

Cosmos

Cosmic Connection

The cosmic connection

The Spear of Mars The Future at War Volume 2

A Path Where No Man Thought

Path Where No Man Thought

Cosmos

Shadows Forgotten Ancestors

Murmurs of the Earth

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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?