Joan De Hamel Books

Seven-year-old Hemi decides to enter his three-year-old sister in the school pet show because, after all, "she's alive and I love her and look after her."

The third eye

By Joan De Hamel

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Long ago, Ani's ancestors left a message and a prophecy. Now, when local Maoris are under pressure to sell their land, the prophecy is revealed. All will work out for the best, it says, but only if...

X marks the spot

By Joan De Hamel

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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.