Fradin, Dennis. Mars. USA: Childrens Press Inc., 1989.
Simon, Seymour. Mars. New York: William Marrow and CP Inc., 1987.

Web Pages and Pictures

National Geographic. "Destination: Space." . 2004. 6 Nov. 2003 <http://www.nationalgeographic.com/ngkids/0001/mars/mars.html>.

NASA. Jet Propultion Laboratory. 2004. 30 Jan. 2004 <http://marsrovers.jpl.nasa.gov/newsroom/pressreleases/20040116b.html>.

NASA. Jet Propultion Laboratory. 2004. 30 Jan. 2004 <http://www.jpl.nasa.gov/releases/2004/20.cfm>.

The European Space Agency. The European Space Agency. 2003. 12 Jan. 2004 <http://www.esoc.esa.de/pr/images/photos/missions/iss.jpg>.

NASA. Aeronautics. 1999. 20 Jan. 2004 <http://observe.arc.nasa.gov/nasa/gallery/image_gallery/aero/graphics/baja.jpg>.

Wade, Mark. SLS. 2003. 3 Feb. 2004 <http://astronautix.com/lvfam/sls.htm>.

ForSite. Awesome clipart for kids. 2001. 3 Feb. 2004 <http://www.awesomeclipartforkids.com/crossword/crosswordpuzzlemaker.html>.

Discovery Channel School. Discovery School's Puzzle Maker. 2003. 12 Jan. 2004 <http://puzzlemaker.school.discovery.com/wordsearchsetupform.html>.

Donald James Mark Leon. "Mars Team Online ." . . . <http://quest.arc.nasa.gov/mars/photos/index.html>

Pole Star Publications LTD. "Spaceflight Now." . . . <http://www.spaceflightnow.com/mars/mera/>.

Calvin J. Hamilton. "Mars Introduction." . . . <http://www.solarviews.com/eng/mars.html>

Exploratium Inc.. "Journey to Mars." . . . <http://www.at.exploratorium.edu/photopost/>

World Almanac Education Group Inc.. "." . . . <http://www.worldalmanacforkids.com/explore/space/spacecraft.html>

Nasa's Kennedy Space Center. "." . . . <http://www.nasa.gov/missions/shuttle/_kscmemorials.html>.

<http://ets.freetranslation.com/>.