Thorn Castle is a children's fantasy novel by Australian author Ian Irvine.

[1] The Sorcerer's Tower was a finalist for the 2008 Aurealis Award for best children's (8–12 years) illustrated work/picture book.

[2] Thorn Castle has been reviewed by The Courier Mail and Reading Time.

But it is precisely his lack of magic which makes him ideal for the dangerous challenge of rescuing the Book of Spells from the evil sorcerer Lord Harshax.

Together with his magically gifted friend Kym, he sets out to steal the book and save his village.