Celebrate life's differences by exploring these biographies of individuals who made their mark on history! Each book engages readers with inspiring content including primary sources, photographs, maps, time lines, and more! Aligned to Common Core Standards, the titles in this 6-book collection include: Barack Obama: President of the United States; Frederick Douglass: Leader of the Abolitionist Movement; Langston Hughes: Harlem Renaissance Writer; Martin Luther King Jr.; Phillis Wheatley; and Sitting Bull