"He is one of us, girls," she called in a whisper to her companions; "come out. Rover will be as naughty as the rest of us, and go with us as our body-guard to the fairies' field. Now, I will lock the door on the outside, and we can be off. Ah, the moon is getting up splendidly, and when we have secured Betty's basket, we shall be quite out of reach of danger."