Richard Worth

139 books • 60 series

Great Hispanic Heritage

Great Inventions (World Almanac Library)

Hispanic America

Holocaust Heroes and Nazi Criminals

How Can I Help? Friends Helping Friends

Immigration to the United States

Impact Books

In American History

Influential Latinos

In Focus Biographies

In World History

Issues in Focus

Joined by Fate: Intertwined Biographies

Landmark Legislation

Latino-American History

Lucent overview

Major World Leaders

Modern World Leaders

Movements and Moments That Changed America

Open for Debate