A brief biography of the African-American scientist who overcame tremendous hardship to make unusual and important discoveries in the field of agriculture.
An introduction to the life of the woman born into slavery who became a well-known abolitionist and crusader for the rights of African-Americans in the United States.
The story of the Warsaw Ghetto told through the eyes of Froim Baum, who was born in Warsaw on April 15, 1936. He was sent from one death camp to another before finally being liberated at Dachau by American soldiers.
By solving math problems on a calculator and turning it upside down to view the answer, riddles can be solved in this collection of calculator riddles.
