Question: Heatstroke stars an actress who has written how many non-fiction books?
Sentence (from "Danica McKellar"): She played Kevin Arnold's on-off girlfriend Winnie Cooper in the television series "The Wonder Years", and later wrote five non-fiction books: "Math Doesn't Suck", "Kiss My Math", "Hot X: Algebra Exposed", "Girls Get Curves: Geometry Takes Shape", which encourage middle-school and high-school girls to have confidence and succeed in mathematics, and "Goodnight, numbers".
Relevant evidence: Yes