Bibliografía (64 obras)
Todo lo que necesitas saber sobre el matrimonio adolescente (Everything You Need to Know about Teen Marriage)
2009
Todo lo que necesitas saber sobre la paternidad adolescente (Everything You Need to Know about Teen Fatherhood)
Todo Lo Que Necesitas Saber Sobre El Matrimonio Adolescente (Todo Lo Que Necesitas Saber / Need to Know (Spanish))
2003
Todo Lo Que Necesitas Saber Sobre La Paternidad Adolescente (Todo Lo Que Necesitas Saber)
Modern Nations of the World - Germany (Modern Nations of the World)
2001
Parallel journeys
2000
Its Ok to Say No
In the ghettos
1999
Teen smoking
The survivors
1998
Charles Dickens
Everything You Need to Know About Stress
Inferno
Everything You Need to Know About Teen Fatherhood
A firestorm unleashed
From the ashes
Everything You Need to Know about Depression
1997
Colorado
A Firestorm Unleashed, Vol.4
Homeless children
It's okay to say no
Everything You Need to Know about Teen Marriage
Inferno, Vol. 5
From the Ashes, Vol. 6
Adolf Hitler
1996
Lewis Latimer
Poland
Overview Series - Homeless Children
1995
Everything you need to know about depression
1994
Ruth Bader Ginsburg
Everything you need to know about stress
The United States Holocaust Memorial Museum
Our great rivers and waterways
Everything you need to know about teen fatherhood
1993
The Anasazi
Teen suicide
Berlin
1992
Our national monuments
Margaret Bourke-White
Boris Yeltsin
Earthquake country
Our flag
Parks & monuments of California
Our Flag
A Guide to Ancient Cultures of the Southwest (Southwest Traveler)
Our National Monuments
Determination
1991
A guide to the Anasazi and other ancient Southwest Indians
Germany
1990
Everything you need to know about teen marriage
Indians of Arizona
Colorado Traveler
1989
Arizona wildflowers
Discover Arizona
Colorado Traveler: Wildflowers
1987
Colorado Wild Flowers (American Traveler)
Chronicles Index (Colorado Chronicles)
1986
Colorado wildlife
1983
Hispanic Colorado
1982
Famous Colorado women
1981
Indians of Colorado
Famous Colorado Men
1980
Green light on the tipple
1978
