Erik Olssen Books

The People and the Land Te Tangata Me Te Whenua: An Illustrated History of New Zealand 1820-1920

By Judith Bassett, Erik Olssen, Judith Binney

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A Century Of Change New Zealand 1800-1900

By Erik Olssen

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In this impressive sequence of essays leading New Zealand historian Erik Olssen builds on his earlier work on labour and social and political history. Drawing on the Caversham data base at the Univ...

Class And Occupation

By Erik Olssen, Maureen Hickey

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Six essays based on the work of the Caversham Project at the University of Otago and New Zealand Census data, and analysing the occupational structure in New Zealand from 1893 to 1938 to examine so...

An accidental experiment

By Erik Olssen

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Working lives c. 1900

By Erik Olssen

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Building the New World

By Erik Olssen

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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.