Which author wrote 'The Wizard Heir'?

Cinda Williams Chima was the author of the Heir series for young adult readers of fantasy. The first book, 'The Warrior Heir', was released in 2006. The second in the series, 'The Wizard Heir', was published in 2007. The last book, 'The Dragon Heir', came out in 2008. Chima's new series begins this year. The first book has the title 'The Demon King'. It's scheduled for a fall release date, in 2009.