The sun shone dazzlingly upon the great waste of whiteness.
Very suddenly Isabel stopped.

"He can't have gone this way after all," she said, and turned to her brother with eyes of tragic hopelessness.
"Stumpy, Stumpy, what shall I do ?" He drew her hand very gently through his arm.

"We will go back, dear," he said.
A low sob escaped her, but she did not weep.

"If I only had the strength to go on and on and on!" she said.

"I know I should find him some day then." "You will find him some day," he answered with grave assurance.