~ gathering this author’s shelf ~
12 bookswriting since 196152 years at work
Price I Paid, Ramadi
2013
Encyclopedia of Caves and Karst Science
2004
Contested Skies
1999
Karst hydrology
1998
Challenging Horizons
1995
Forensic Psychiatry
1993
Karat hydrology and solution in the Waitomo district, New Zealand
1978
Violence in Human Society.
1973
The Wild Abyss
1972
Barrier Reef by Trimaran.
1966
The Goodbye Island
1963
Barrier Reef Espionage
1961