The Shadow Project by Herbie Brennan.
Romance:An engagement (like betrothed when the were babies) that the kids didn't agree with, liking someone.
Language:H--l, D-m-, da-m-t, c--p, a--, ba---rd.
Violence:A demon like animal killing some people(eating their hearts too), Danny's nan has a stroke, shooting, several people get kicked in the crotch, people get knocked out ans some terrorists.
Other:Black magic, occult type stuff, some false gods mentioned and some astral plain stuff.
What I Thought:It was O.K. definitely exciting and well written...just a lot of stuff that I weird and impossible. Some things were hard to understand and after the first half it got into some astral plain stuff....I will say though that the second book is way better.
Rating & Age:3 stars. 14 up.