Margaret Mahy Books

The Changeover

By Margaret Mahy

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Cold Case

By Faye Kellerman

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An investigation of an 18-year-old cold case re-awakens spine-chilling secrets in this riveting thriller from Faye Kellerman. LA detective Peter Decker and Rina Lazarus feature.

The Changeover

By Margaret Mahy

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Jam

By Margaret Mahy

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Summary, While Mrs. Castle works as an atomic scientist, Mr. Castle takes care of the house and children so efficiently that he soon finds himself with nothingto do until the backyard tree give him...

A Dictionary of Virology

By Margaret Mahy

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The bus under the leaves

By Margaret Mahy

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The great piratical rumbustification

By Margaret Mahy

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Raging Robots and Unruly Uncles

By Margaret Mahy

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Clancy's cabin

By Margaret Mahy

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The pirate uncle.

By Margaret Mahy

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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.