Five Survive by Holly Jackson
Eight hours. Six friends. One sniper . . . Eighteen year old Red and her friends are on a road trip when their RV breaks down in the middle of nowhere. This is no accident. Someone is out there - and someone wants one of them dead. With eight hours until dawn, the six friends must escape or work out which one of them is the target. Buried secrets will be forced to light and not everyone will survive the night . . .