Books whose titles contain elements of the set "secret", "ninja", "rock star", "days", "master", "dummies", or ones that have a number in the title (2012, 24, e

Books whose titles contain elements of the set "secret", "ninja", "rock star", "days", "master", "dummies", or ones that have a number in the title (2012, 24, etc) really put me off. I know I shouldn't judge a book by its cover, but these titles are really hard for me to take seriously.