His hand she felt suddenly tighten. Outside the doorbell had just rung; then the footsteps of Hibberd, the second man, could be heard squeaking discreetly along the hall.
"Will you tell me tonight?" demanded David.
"I don't know; I'll think," answered Bab.
David slowly drew in his breath.
"Promise me this then," he said laboriously. "Whether it's yes or no, if tonight my father tries to say anything to you promise me you'll not listen to him till you've sent for me! Will you promise?"
"Why, David!" Bab murmured, astonished.
"Have I your promise?"
"Why, yes, but——"
She broke off abruptly. The library door was opening and now Hibberd entered.
"Beg pardon, Miss Barbara, the guests will be arriving."