"silly ol Hannah"

This book takes place before and after the events of until dawn. Meet the Riley twins, Jessica and Delilah. Delilah is a very sweet soft girl who was best friends with Hannah Washington. They were very close they would do everything Together. Delilah warned Hannah about the prank but Hannah never listened...after Hannah and her twin sister beth went missing all she did was hang out with Josh and Sam. dose Delilah like Josh, or does she like sam? wanna find out? well, you're going to have to read me (;