The New Book of Knowledge

Adams advertising African American agricultural aircraft airplane airport Alabama Alaska Alberta Algeria ancient Andorra animals Antarctica antibiotics ants Arab archaeologists architecture Arctic Arctic Ocean areas Arizona Arkansas Armenian Asia astronomers Atlantic Ocean atoms Australia automobile Azerbaijan became body born buildings built called capital cars cells China Civil colonies colors crops culture developed early Ebla electric Empire engine Europe farm fish flight flying forests Greek human important Indian industry island kilometers King known Lake land language live major ment metal meters miles modern mountains move Museum National North Ocean orature painted pilot plane plants population president region River Roman scientists slaves South southern speed stars stone Sumerian temperature tion traditional ture U.S. Senate U.S. Supreme Court United wing World War II writing