The girls, who had been unable to move and had sat paralyzed with horror, breathed a huge sigh of relief.

“Thank God, the baby’s saved!” cried Bess.

“Yes,” exclaimed Cora, “but the man may be killed! Let’s see what we can do to help him.”

The three girls jumped from the car and rushed over to the injured man.

While the girls are giving first aid to the man, and the mother is crying and crooning over her child, it may be well for the sake of those who have not followed our Motor Girls in their previous adventures to state a little more fully just who they were and what they had been doing up to the time this story opens.

Cora Kimball and her brother Jack—the same Jack who had been brought in so handily in their encounter with the impudent young man—were the children of a wealthy widow living in Chelton, a New England village located not very far from the New York line. They were both healthy, normal, wideawake young people, and took vast delight in motoring. Either in a motor car or a motor boat they were equally happy and equally at home; and Cora was quite as expert in managing them as her brother.

Cora’s special chums were Belle and Bess Robinson, twin daughters of Mr. and Mrs. Perry Robinson, the former a well-to-do railroad man, living in the same town as the Kimballs. Belle, as we have seen, was tall and slender—“svelte” was the way she liked to put it. And Bess—well, Bess was “plump,” but a very pretty and charming girl nevertheless. Of the three girls, Cora was the natural leader, and the trio were almost inseparable.

Jack Kimball, Cora’s brother, was a manly, likable chap and devotedly attached to his sister, although at times he liked to “lord it” over her with truly masculine complacency. He was a student at Exmouth College, and his most intimate friend was Walter Pennington, who spent most of his vacations and whatever other spare time he had at the Kimball home. Perhaps Jack’s charming sister was the special magnet that drew Walter there so often—— But there, it isn’t fair to delve too curiously into matters of that kind.

Paul Hastings, who had a position in an automobile concern, was a close friend of Jack and Walter, and the girls too liked him very much.

The love of motoring that all six, boys and girls alike, shared in common had led to many trips to various parts of the country, in the course of which they had met with many surprising and sometimes thrilling adventures. Both Cora and the Robinson twins had cars of their own, but as Cora seemed to take the lead in everything, most of the tours were taken in her car.