1 Nearly one in five Americans (19%) will be an immigrant in 2050, compared with one in eight (12%) in 2005. 2  By 2025, the immigrant, or foreign-born, share of the population will surpass the peak during the last great wave of immigration a century ago.
According to Rowling's agent, Christopher Little, the seven Harry Potter books have so far been translated into 67 languages, amassing the 400m figure since the publication of the first book in the series, Harry Potter and the Philosopher's Stone, in 1997.
How many staircases are there in Hogwarts School of Witchcraft and Wizardry? According to Harry Potter and the Philosopher's (Sorcerer's) Stone, there are 142 staircases in Hogwarts School.