• The Christmas Box
  1. The Christmas Box (1994)
  2. Timepiece (1996)
  3. The Letter (1996)
• The Locket
  1. The Locket (1998)
  2. The Looking Glass (1999)
  3. The Carousel (2001)
• The Walk
  1. The Walk (2009)
  2. Miles to Go (2011)
  3. The Road To Grace (2012)
  4. A Step of Faith (2013)
  5. Walking on Water (2014)
• Michael Vey
  1. Michael Vey: The Prisoner of Cell 25 (2011)
  2. Michael Vey: Rise of the Elgen (2012)
  3. Michael Vey: Battle of the Ampere (2013)
  4. Michael Vey: Hunt for Jade Dragon (2014)^[5]
  5. Michael Vey: Storm of Lightning (2015)
  6. Michael Vey: Fall of Hades (2016)

Novels:

• CHRISTMAS EVERY DAY (1996)
• THE FIRST GIFT OF CHRISTMAS (1996)
• THE LAST PROMISE (2002)
• A PERFECT DAY (2003)
• THE SUNFLOWER (2005)
• FINDING NOEL (2006)
• THE GIFT (2007)
• GRACE (2008)
• THE CHRISTMAS LIST (2009)
• PROMISE ME (2010)
• LOST DECEMBER (2011)
• A WINTER DREAM (2012)
• THE FOUR DOORS (2013)
• THE MISTLETOE PROMISE (2014)
• THE MISTLETOE INN (2015)
• THE MISTLETOE SECRET (2016)