The step was high, but she got her knee on it, and clambered into the cab; she stumbled and fell on hands and knees on the base of the great heap of coals that led up to the square opening in the tender.

The engine was not above the weaknesses of its fellows; it was making a great deal more noise than there was the slightest need for.

And just as Roberta fell on the coals, the engine-driver, who had turned without seeing her, started the engine, and when Bobbie had picked herself up, the train was moving--not fast, but much too fast for her to get off.
All sorts of dreadful thoughts came to her all together in one horrible flash.

There were such things as express trains that went on, she supposed, for hundreds of miles without stopping.

Suppose this should be one of them?
How would she get home again?
She had no money to pay for the return journey.
"And I've no business here.