Galileo Galilei Books

"A history of the controversy over sunspots with translations of the letters contained in Galileo's Istoria e dimostrazioni intorno alle macchie solari e loro accidenti. The material that was added...

On Sunspots

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Early Notebooks

By Galileo Galilei

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Two New Sciences: Including Centers of Gravity and Force of Percussion

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Two new sciences, including centers of gravity & force of percussion

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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.