Marcelo Gleiser Books

The Prophet and the Astronomer

By Marcelo Gleiser

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The Prophet and the Astronomer

By Marcelo Gleiser

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The Dancing Universe

By Marcelo Gleiser

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The island of knowledge

By Marcelo Gleiser

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"Do all questions have answers? How much can we know about the world? Is there such a thing as an ultimate truth? To be human is to want to know, to understand our origins and the meaning of our li...

The dancing universe

By Marcelo Gleiser

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The Dancing Universe traces mystical, philosophical,and scientific ideas about the cosmos through the past twenty-five centuries. Taking us back to the dawn of history, the author explores the lege...

A tear at the edge of creation

By Marcelo Gleiser

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From the Introduction... The cornerstone of any unification theory is the notion that a more profound description of Nature possesses a higher level of mathematical symmetry. Echoing the teachings...

The Dancing Universe

By Marcelo Gleiser

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The Simple Beauty of the Unexpected

By Marcelo Gleiser

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Das tanzende Universum

By Marcelo Gleiser

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O caldeirao azul

By Marcelo Gleiser

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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.