
Actress/singer HILARY DUFF is so determined to impress her hockey star boyfriend MIKE COMRIE, she’s reading a book called HOCKEY FOR DUMMIES.
The 20-year-old is getting serious with her sportsman lover, who she’s been dating since the summer (07).
Duff’s older sister Haylie says, “I actually caught her with a copy of the Hockey For Dummies book.”
[Source & Photo Credit: Contact Music]