Stephen H. Kaisler Books

The design of operating systems for small computer systems

By Stephen H. Kaisler

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INTERLISP

By Stephen H. Kaisler

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Birthing the Computer

By Stephen H. Kaisler

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Birthing the Computer: From Drums to Cores examines the evolution of computer systems architecture based on two evolutionary developments: memory technology – magnetic drums to magnetic cores – and...

Birthing the Computer

By Stephen H. Kaisler

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Birthing the Computer: From Relays to Vacuum Tubes is the first in a multi-volume series on historical computing machines. This series will span the development of computer systems from the Zuse ma...

First Generation Mainframes

By Stephen H. Kaisler

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Second Generation Mainframes

By Stephen H. Kaisler

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Software Paradigms

By Stephen H. Kaisler

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Software Paradigms

By Stephen H. Kaisler

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Software Paradigms

By Stephen H. Kaisler

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Software Paradigms

By Stephen H. Kaisler

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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.