2019 - SEEING THE UNSEEN

2018 - HEART OF MATTER

2017 - MAKING THE INVISABLE VISABLE

2015 - CONCRETIONS

2014 - EDGELANDS

2006 - 2013 - WHEN MEN AND MOUNTAINS MEET

2009 - THROUGH A GLASS DARKLY

2008 - MESSENGER

2006 - FLYING COLOURS

2000 - 2010

2004 - INSCAPES

1990 - 2000

1980 - 1990

1968 - 1980