But Nan was looking behind her with startled eyes and never even heard her friend's question.
"Walter!" she cried, grasping the boy's arm and pointing excitedly down the street, "do you see those men over there getting out of that taxi? Quick! They are turning into that hotel."
"The little fat fellow and the long, thin man?" asked Walter, with a mystified line between his brows. "What about them? Friends of yours?"
"Take a good look at them," Nan cried, impatiently shaking his arm, while Grace and Rhoda looked on in amazement. "If you should see them again, I want you should know them."
CHAPTER XXI
THE BEGINNING OF ROMANCE
Walter was frankly bewildered by this time. But he obediently took a long look at the short, fat man and the long, thin one. Then, as they disappeared around a corner, he turned back to Nan and led her toward the hotel entrance.
"Why, Nan, you are trembling," he said, as they followed the colored boy through a handsome courtyard and between rows of beautiful palm trees. "I never knew you to be like this before. What's the matter? If either of those men have bothered you," he added, glowering fiercely, "I'll wring their necks."