Problem with Harry Potter And The Order Of The Pheonix Video Game?!

Question:

I've collected the book for Flitwick. Completed all 28 DA members. But i can't seem to find the last 3. They don't seem to be on the map. Please help

Answers:

Haven't played it yet, but I always use this website for any video games issues:

www.gamefaqs.com

Hope this helps!

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