Robert Sims Books

B.Sc computing and information systems

By University Of London. External Programme.

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Turning Points in World History The Rise of Communism

By Robert Sims

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Is the Gap Between the Rich and Poor Growing

By Robert J. Sims

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Is the Gap Between the Rich and Poor Growing

By Robert J. Sims

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El Primer Garcia Marquez UN Estudio De Su Periodismo De 1948 a 1955 Scripta Humanistica

By Robert Lewis Sims, Robert Sims

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"When a little girl finds a severed head buried in sand on a beach in Whitley, the locals are sent into a tailspin. Little do they know it's only the first of series of grisly murders that will sul...

Roland Hayes

By Christopher Antonio Brooks

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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.