The book “Shattering Glass”….By Gail Giles…..????

i need to know if any of you have read the book shattering glass by Gail Giles. If so, what genre is it??? Is it a mystery, fiction, mystery fiction, please help me if you know!!! i have to know if it is appropriate for my report dus in 3 weeks!!! thank you all!!!! and please, now dumb answers!!! Thank you again!!!

Tiffany