Which books have you read ? 1) 2) 3) 4) 5) 6) 7) Harry Potter and the Philosopher's Stone Harry Potter and the Chamber of Secrets Harry Potter and the Prisoner of Azkaban Harry Potter and the Goblet of Fire Harry Potter and the Order of the Phoenix Harry Potter and the Half-Blood Prince Harry Potter and the Deathly Hallows
70 60 50 40 Series1 30 20 10 0 1 2 3 4 5 6 7
Findings showed a declining trend as more books were released. Though 69% of respondents said that that had read the first harry potter book, only 28% of those who surveyed had read the last one