Tony Abbott Books

In the Ice Caves of Krog

By Tony Abbott

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The Secrets of Droon 21: Flight of the Genie

By Tony Abbott

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The Isle of Mists Secrets of Droon 22

By Tony Abbott

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The Secrets of Droon Special Edition 2: Wizard or Witch?

By Tony Abbott

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The Secrets of Droon 23: The Fortress of the Treasure Queen

By Tony Abbott

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Ko is back in power -- and nothing in Droon is safe! His beasts have found a lightning-powered submarine hidden in the secret Fortress of the Treasure Queen. Now Eric and his friends have to stop K...

La isla misteriosa

By Tony Abbott

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Secrets Of Droon 25

By Tony Abbott

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The moon dragon

By Tony Abbott

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When Eric and his friends finally return home from Droon, they discover that Gethwing, the moon dragon, has kidnapped most of the townspeople, including their parents, and is on the hunt for a magi...

The Chariot of Queen Zara

By Tony Abbott

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Eric and his friends must use Queen Zara's chariot to rescue a wizard who is trapped on Droon's moon.

In the Shadow of Goll

By Tony Abbott

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It's a dangerous time in Droon when a mysterious ancient sorcerer arrives, waking the infamous Warriors of the Skorth.

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.