Melody Klink, fellow YA paranormal author has interviewed M.Y Zeman about the series, her inspiration and more.
She has also given Snowball great review.
You can read the interview and review on her site.
this series has a lot to offer in terms of depth, and the story and characters are well-developed. I feel like I’ve actually met John, Snow’s vampire rescuer that becomes her father and caretaker. When Zeman describes the cold, I can feel it; when she describes the apartment John lives in, I can see it. It is indeed a flight of fantasy, but its realistic roots are not lost. I heartily recommend the read
you should also check out her book, Godeater: The Second World,