* _When the Past Returns_ (1994)
* _Kuiskauksia eilisestä_ (1999)
* _Shadows of the Past_ (2003)
* _Echoes of Deceit_ (2007)
Tietokirjallisuus
* _Aika muistaa:The Story of the Wisconsin State Reformatory_ (1998)
* _Wisconsinin parhaat pienkaupunkimatkat_ (2004)
* _Wisconsin Outdoor Adventures:Opas to Exploring State's Natural Wonders_ (2006)
* _Wisconsin Lighthouses:A Guide to State's Historic Beacons_ (2010)
* _Wisconsin State Parks:A Guide to Exploring the State's Natural Treasures_ (2013)