9780857988393 | Random House Australia, November 1, 2016, cover price $8.99 | About this edition: Leo da Vinci and his team at Fixit International Inc.

9780534345501, titled "Differential Equations" | Brooks/Cole Pub Co, February 1, 1998, cover price $136.95 | also contains Differential Equations

9780857988379 | Random House Australia, December 1, 2015, cover price $8.99

9780857982766 | Random House Australia, October 1, 2014, cover price $12.99 | About this edition: The Bourne Identity meets The Terminator in a fast-paced technothriller from the author of the Laws of Magic seriesUnknown to the world, a superintelligence has emerged—and it wants to eliminate Bram Argent.

9781742758190 | Random House Australia, December 1, 2013, cover price $12.99

9781864718201 | Random House Australia, September 1, 2013, cover price $12.99

9781742753768 | Random House Australia, April 1, 2012, cover price $16.99 | About this edition: Tapping into themes of sustainability, morality, and cultural trends, this is an engrossing imagining of what society might become throughout the next 100 years, examined through ten incredibly disparate storiesThrough careful research of societal and cultural trends as well as scientific developments, these ten stories are about two friends existing together in various potential versions of the future.

9781741663105 | Original edition (Random House Australia, October 1, 2011), cover price $9.99

9781741663099 | Random House Australia, July 1, 2011, cover price $12.99 | About this edition: Aubrey has a difficult choice to make to save his friends when Albion erupts into war—and it could cost him his life The war that has been looming for so long finally erupts, sending Albion and the continent into chaos.

9780193173118, titled "The Technique and Spirit of Fugue: An Historical Study" | Oxford Univ Pr, June 1, 1948, cover price $16.75 | also contains The Technique and Spirit of Fugue: An Historical Study | About this edition: This book provides a more enlightened understanding of fugal writing, based on the works of Johann Sebastian Bach.

9781741661811 | Random House Australia, February 1, 2010, cover price $7.99 | About this edition: Queen Tayesha's plan to rule all the saur is tormenting the land itself.

9781741661750 | 1 edition (Random House Australia, November 1, 2009), cover price $7.99 | About this edition: While Adalon and his friends Targesh and Simangee gather supporters at the Lost Castle, the mad Queen Tayesha and her ruthless general continue to wage war on the Seven Kingdoms of Krangor.

9781864718652 | Random House Australia, April 1, 2011, cover price $15.99 | About this edition: After narrowly escaping the worst fate imaginable, Aubrey realizes there's only one thing left to do—he must confront his nemesis, on his own evil ground It may look like a simple wire device, but the Beccaria Cage could be the cure for Aubrey's condition: a way to reunite his body and soul.

9781741663082 | Random House Australia, September 1, 2009, cover price $9.99 | About this edition: In the fourth book of this utterly addictive series, magical genius Aubrey Fitzwilliam is heading deep into the heart of enemy territory—luckily, with his friends by his side It may look like a simple wire device, but the Beccaria Cage could be the cure for Aubrey's condition: a way to reunite his body and soul.

9781741662047 | Random House Australia, September 1, 2009, cover price $7.99 | About this edition: When Queen Tayesha threatens to conquer all seven kingdoms of Krangor and break the ancient bond between the saur and the land, a young noble named Adalon vows to stop her.

9780734404695 | Lothian Books, September 1, 2005, cover price $6.95 | About this edition: Two friends uncover a treasonous plot, and try to stop the destruction, when the magical city of Quentaris is deliberately set aflame at the same time that the insect-like Zolka invade.

9780734406200 | Gardners Books, October 31, 2004, cover price $12.15 | About this edition: Rad, the talented rift guide from 'The Swords of Quentaris', attempts to turn his hand to politics by negotiating a trade deal with the Fentonian Trade Minister.

9780732024208 | Unabridged edition (Louis Braille Audio, August 1, 2000), cover price $54.95 | About this edition: When the Princess and her Followers stumble into Saul Harding's world, he suddenly finds himself in a deadly fight against the frightening Hollow Men.