Rosalind Barden Books

Object Orientation in Z Workshops in Computing

By Rosalind Barden, Susan Stepney

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TV monster

By Rosalind Barden, Crown

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A young boy turns into a TV monster after watching too much television and is mistaken for Colonel Bop by aliens who take him aboard their flying saucer and whisk him into outer space.

Z in Practice

By Rosalind Barden

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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.