Phillip Gwynne Books

Catch the Zolt

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Fifteen-year-old Dom is cast out of his comfortable life in the Gold Coast's Halcyon Grove when he inherits an ancient debt. Now, he has six Herculean tasks to perform ... or lose a pound of flesh.

Turn off the lights

By Phillip Gwynne

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Dom has five more Herculean tasks to perform -- or lose a pound of flesh. In this installment Dom has to turn the power off during Earth Hour -- for the entire Gold Coast.

Bring Back Cerberus Hardcover Phillip Gwynne

By Phillip Gwynne

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Deadly Unna

By Stig Wemyss, Phillip Gwynne

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Aussie Bites The Hand knitted Hero Plus Three More

By Phillip Gwynne, David Metzenthen, Max Dann

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The Worst Team Ever

By Phillip Gwynne

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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.