Bibliografía (100 obras)
Amazing Lewis and Clark Expedition
2017
Landmarks in U. S. History Classroom Collection
Panama
2015
Shirley Temple Black
2014
Slavery in America
2012
Countries Around the World Pack a Of 6
Australia
Pakistan
2011
Yemen
Countries Around the World
Countries Around the World Pack a Through d 24 Books
Countries Around the World Pack a Of 5
Golda Meir
2010
Hillary Clinton
Iowa
Missouri
2009
Leonard Bernstein
Maryland
2008
Animal life
2007
Argentina
Plant Life (Gareth Stevens Vital Science- Life Science)
Haiti
The Transcontinental Railroad
When dinosaurs ruled
2005
Greenland
When Life Flourished in Ancient Seas
When land, sea, and life began
When Giant Mammals Thundered
When ice threatened living things
When life took root on land
The Delaware Colony
2004
The South Carolina colony
Germany
2003
Interpol (International Organizations)
Red Cross and Red Crescent (International Organizations)
Oprah Winfrey
Ireland
2002
Iron and the Trace Elements (Blashfield, Jean F. Sparks of Life.)
Carl Sagan
2001
The California Gold Rush
Potassium
Toni Morrison
Chlorine
Washington
Sulfur
Magnesium (Blashfield, Jean F. Sparks of Life.)
Phosphorus
The California Gold Rush (We the People: Expansion and Reform)
2000
Cartier
The Oregon Trail
Delaware
Norway
The Santa Fe Trail
Arizona
Italy
1999
Colorado
Virginia
Nitrogen
1998
Hydrogen
Wisconsin
Sparks of Life
Carbon
Calcium
Sodium
Oxygen
Horse soldiers
England
1997
Mines and minié balls
Women at the front
Women inventors
1996
Antarctica
1995
Women Inventors 1 (Women Inventors)
Women Inventors 2 (Women Inventors)
Women Inventors 4 (Women Inventors)
Women Inventors 3 (Women Inventors)
Galapagos Islands (Wonders of the World)(juvenile)
1994
Awesome Almanac
Rescuing endangered species
Awesome Almanac Illinois (Awesome Almanac)
1992
Endangered species
Too many people?
Global warming
1991
Oil spills
Recycling
Why They Killed
1990
The final bug
1988
Abraham Lincoln
1987
Faerie mound of dragonkind
Los jóvenes dragones
1985
Aerospace bibliography
1982
Hellraisers, Heroines and Holy Women
1981
Apartment greenery
1975
Iolanthe
1967
The gondoliers
1966
