David Edwin Pingree Books

The Book of the Reasons Behind Astronomical Tables

By Ali Ibn Sulayman Hashimi, Ali Ibn Sulayman Al Hashimi

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A Descriptive Catalogue of the Sanskrit Astronomical Manuscripts Preserved at the Maharaja Man Singh II Museum in Jaipur India Memoirs of the American Philosophical Society

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This catalogue of the astronomical manuscripts preserved at the Maharaja Man Singh Museum provides a substantial part of the foundation for an extensive & penetrating analysis of the astronomical a...

Kayd

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Vettii Valentis Antiocheni Anthologiarum libri novem

By Vettius Valens.

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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.