The Whispers series: 

• THE WHISPERS (2014)
• THE BURNING GIRL (2014)
• THE THREE SISTERS (2015)

Standalone Novels:

• ANGEL FIRE (2002)
• THE DARKNESS GATHERS (2003)
• TWICE (2004)
• SMOKE (2005)
• BEAUTIFUL LIES (2006)
• SLIVER OF TRUTH (2007)
• BLACK OUT (2008)
• DIE FOR YOU (2009)
• FRAGILE (2010)
• DARKNESS, MY OLD FRIEND (2011)
• HEARTBROKEN (2012)
• IN THE BLOOD (2014)
• CRAZY LOVE YOU (2015)