J. William Schopf Books

Evolution!: Facts and Fallacies

By J. William Schopf

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Life s Origin

By J. William Schopf

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Life s Origin

By J. William Schopf

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The Proterozoic Biosphere 2 Part Set The Proterozoic Biosphere A Multidisciplinary Study

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Cradle of life

By J. William Schopf

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One of the greatest mysteries in reconstructing the history of life on Earth has been the apparent absence of fossils dating back more than 550 million years. We have long known that fossils of sop...

Earth s Earliest Biosphere

By William Schopf

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Earth s Earliest Biosphere

By William Schopf

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Cradle of Life

By J. William Schopf

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Evolution Molecular Revolution Schopf

By J. William Schopf, Charles Richard Marshall

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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.