10 spoilers from Michael Grant:
1) Remember that it was originally titled DARKNESS.
2) At one point Sam will rub Diana's tummy.
3) Astrid-haters will love her by the end.
4) There's a surprising "coming out."
5)... A heart will be broken.
6) You will learn why Sam and not Caine.
7) There is a huge betrayal.
8) Someone will lose their virginity.
9) Someone we know will die.
10) A scene so dark and anguished my editors wanted me to tone it down. (Of course I didn't. How long have you known me?)
Fear will be released April 3rd 2012 (US).
Those are the teasers Michael Grant Posted on his site. ENJOY!