There are a variety of websites that offer a list of one hit wonders. One hit wonder central is one option and provides a list broken down into decades.
You can find one hit wonders in places like record stores. You can buy them online visiting websites like ebay, one hit wonder central, borders and wikipedia.
One-Hit Wonders - 2002 was released on: USA: 29 July 2002
One Hit Wonders - 2004 TV is rated/received certificates of: Canada:PG
Lighthouse of Alexandria
One-Hit Wonders - 2002 British was released on: USA: 2 December 2008
One-Hit Wonders - 2002 Alternative was released on: USA: 7 April 2010
One-Hit Wonders - 2002 The Prom was released on: USA: 28 April 2010
One-Hit Wonders - 2002 Movies was released on: USA: 17 March 2010
One-Hit Wonders - 2002 Number Ones was released on: USA: 10 March 2010
One-Hit Wonders - 2002 Number Twos was released on: USA: 31 March 2010
Ultra Sound - 1998 One Hit Wonders was released on: USA: 16 October 1999
VH1 Classic One Hit Wonders - 2008 was released on: USA: 1 December 2008