"The sand," said Arlee promptly. But under her lashes, her eyes came, at last, half-scared, to Billy's face.
"But the sand is the desert," Lady Claire was murmuring.
"It's only part of it," Billy took it upon himself to answer. "Space is the biggest part—and then color. And sometimes—heat."
"You spent quite a time on the desert edge with some excavators, didn't you?" said the English girl, and Billy fell into talk with her about his friend's work, and Falconer and his sister engrossed Arlee.
And to-night was the very last night of her stay at Luxor. To-morrow the boat would take her on out of his life—unless he pursued her along the Nile, a foolish, unwanted intruder.... The three days here had all slipped from his clumsy grasp—they seemed to have put a widening distance between them.... He heard Falconer calculating that the boat would touch again at Luxor for the next Friday night. There seemed to be talk of a masked ball....
Billy leaned suddenly across the table.
"You have forgotten it's the best of the moon to-night?" he asked. "You must let me take you to see it on Karnak."
Falconer gave him a very blank look.
"We've already planned for that," said he.
"We'll all go," cried Arlee, with instant pleasantness. "We mustn't miss it for anything."