Caleb A. Scharf Books

The Copernicus complex

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A groundbreaking revision of the Copernican Principle which is that the Earth was not the fixed point at the center of the known universe (and therefore we are not unique). Renowned astrophysicist...

The Zoomable Universe

By Miller Ron, Caleb A. Scharf

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Gravity s Engines

By Caleb A. Scharf

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The Copernicus Complex Our Cosmic Significance in a Universe of Planets and Probabilities

By Caleb A. Scharf

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The Zoomable Universe: An Epic Tour Through Cosmic Scale, From Almost Everything To Nearly Nothing

By Caleb A. Scharf, Caleb Scharf

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Astrobiologist Caleb Scharf And Artist Ron Miller Take Us On An Epic Tour Through All Known Scales Of Reality, From The Largest Possible Magnitude To The Smallest. Drawing On Cutting-edge Science,...

The Ascent of Information

By Caleb A. Scharf

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Gravity s Engines

By Caleb A. Scharf

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Gravity s engines

By Caleb A. Scharf

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"Offering a sweeping tour of fantastic physics and cosmic history, Gravity's Engines provides a view of the most fearsome places in the universe, and finally asks what it will take to see the event...

The Copernicus complex

By Caleb A. Scharf

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Oshibka Kopernika

By Caleb A. Scharf

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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.