United_States | ethnicGroup | African_Americans United_States | leaderTitle | President_of_the_United_States English_language | spokenIn | Great_Britain United_States | language | English_language A_Wizard_of_Mars | country | United_States
A Wizard of Mars was Published in the United States, where African Americans are one ethnic group and the leader is called a President. The language spoken there is English, originated in Great Britain.