"Oh, yes, I am," conceded Roberta hastily and wondered if she would better tell them any more. It was true that she was used to horses, but she had never conquered her fear of them, and they always found her out. It was a standing joke in the Lewis family that the steadiest horse put on airs and pranced for Roberta. Even old Tom, that her little cousins drove out alone--Roberta blushed as she remembered her experience with old Tom. But if the girls were depending on her--"Betty drives too," she said aloud. "She and I can take turns. Are you sure we have enough gingersnaps?"