Bongwater was based on a book by an American writer.
Michael Hornburg -LRB- born October 31 , 1960 -RRB- is an American writer and literary agent .. literary agent. literary agent. He has published two novels  : Bongwater -LRB- 1995 -RRB- and Downers Grove -LRB- 1999 -RRB- , both of which have been adapted into feature films .. Bongwater. Bongwater ( novel ). Downers Grove. Downers Grove ( novel ). He has also written for the Portland , Oregon publication The Portland Mercury .. The Portland Mercury. The Portland Mercury