The Cassandra Complex
Cassandra has just been dumped and fired, and her local café has run out of banana muffins. Then, something truly unexpected happens: Cassie discovers she can go back and change the past. One small rewind at a time, Cassie attempts to fix the life she accidentally obliterated, but soon she'll discover she's trying to fix all the wrong things. —based on publicity material
Much more importantly, I don’t know how time travel works. I’ve had a quick look through some books—both fictional and theoretical—but nobody can agree. Am I erasing time? Is it disappearing completely, a wet sponge across a board, or can you still see where the chalk lines were when the water fully dries? How strong is the butterfly effect? What happens to everyone else when I create a new timeline? Are they deleted too? That’s terrifying—surely no sane universe would give me that kind of power—in which case are there multiple timelines? Do I simply create alternative existences that carry on when I’m gone? 
