Who is Maxi Ryder from Good in Bed and what is their importance?

Maxi Ryder is a beautiful, talented actress, who Cannie becomes aquainted with in a hotel restroom, and who goes onto become a close friend. She is descirbed as a thin woman, who lives on cigarettes and caffeine. She is responsible for getting Cannie's screenplay read, which results in the sale of the manuscript and a large payment.