Bill Bryson.
In a Sunburned Country.
New York: Broadway Books, 2000, 2001.
Book information: Amazon.com.

Travels around Australia during 1999 & 2000.

Tony Horwitz.
One For The Road: An Outback Adventure, revised edition.
New York: Vintage Books / Random House, 1999.
Originally published: Sydney & New York: Harper & Row, 1987.
Book information: Amazon.com.

Hitchhiking the Australian outback during 1986/1987.