Tui T. Sutherland Books

This Must Be Love

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Two good friends tell of strange occurrences between themselves and the boys they like during a high school production of "Romeo and Juliet," which are reminiscent of the magical world of William S...

The Menagerie

By Tui T. Sutherland, Kari Sutherland

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The Menagerie 3: Krakens and Lies

By Tui T. Sutherland

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Logan and Zoe's efforts to identify a saboteur are complicated by the unchecked activities of the kraken and the agenda of Logan's famous tracker mother.

Dragon on Trial

By Tui T. Sutherland

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Who Was Harry Houdini?

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The Dark Secret (Wings of Fire 4)

By Tui T. Sutherland

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The New York Times bestselling WINGS OF FIRE saga soars to the mysterious land of the NightWings, where Starflight must face a terrible choice---his home, or his friends?In the shadows, troubl...

Talons of Power

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Darkness of Dragons

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Darkness of Dragons

By Tui T. Sutherland

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A Graphix Book: Wings Of Fire Graphic Novel #1: The Dragonet Prophecy

By Tui T. Sutherland, Tui Sutherland

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Determined to end a generations-long war among the seven dragon tribes, a secret movement called the Talons of Peace draws on a prophecy that calls for a great sacrifice, compelling five appointed...

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.