Peter Keller Books

In the 1480s, the great Italian Renaissance artist Sandro Botticelli was commissioned by Lorenzo di Pierfrancesco de' Medici to make a series of drawings to illustrate Dante's Divine Comedy. Bottic...

Visual Cues: Practical Data Visualization

By Peter R. Keller, Keller, Peter, Peter Keller, Mary M Keller

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The Roman Site At Fordcroft, Orpington

By Peter Keller, Brian Philp

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Die Oper Seelewig Von Sigmund Theophil Staden Und Georg Philipp Harsdörffer

By Peter Keller, Keller, Peter Dr.

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Peter Keller. Bibliography: P. 9-13.

Soziologische Probleme Im Modernen Tourismus: Unter Besonderer Berücksichtigung Des Offenen Und Geschlossenen Jugendtourismus. (Europäische ... Universitaires Européennes) (German Edition)

By Keller, Peter, Peter Keller

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Bibliography: P. 301-315.

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.