Everybody keeps asking that question, and Graham doesn't know how to answer it. He'd been looking forward to spending another summer at Mariposa Downs helping his father train race horses, but now he finds everything about his father irritating - especially the way he always has to be right. And then there's Leslie, Graham's best pal for many summers. This year, she's suddenly turned into a girl and she's having a strange effect on him.
But he's no kid anymore - and proving he can make his own decisions is going to make him feel much better - even if he does have to take the heat.