Helen Leach Books

1,000 years of gardening in New Zealand

By Helen May Keedwell Leach

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Edward s Magic Paintbox

By Susan Robinson

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From kai to Kiwi kitchen

By Helen May Keedwell Leach

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This food history anthology spans early Polynesian cooking and colonial New Zealand cookery to the present day.

Prehistoric Man in Palliser Bay

By Foss Leach, Helen Leach

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Culinary treasures of the Hocken collections

By Helen May Keedwell Leach

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Garden Design 10 Beautiful Garden Plans on a Budget DIY Perfect Landscape in Less Than 200 Organic Gardening Vegetables Herbs Beginners Gardening Vegetable Gardening

By Helen Leach

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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.