Original: In 1973 Ayers co-authored the book Prairie Fire with other members of the Weather Underground which they dedicated to close to 200 people including Harriet Tubman , John Brown , ` All Who Continue to Fight ' , and ` All Political Prisoners in the U.S. ' . The list includes Sirhan Sirhan , convicted assassin of Robert F. Kennedy .
Simplified: They dedicated the book to almost 200 people , including Harriet Tubman , John Brown , ` All Who Continue to Fight ' , ` All Political Prisoners in the U.S. ' , and Sirhan Sirhan , who was convicted of killing Robert F. Kennedy .