Quotation from: The Chessmen of Mars

Written by: Edgar Rice Burroughs

"It was fortune indeed," he replied. "Since it not only told that
you were a prisoner here; but it saved me from the banths as I
was crossing the valley from the hills to this tower into which I
saw them take you this afternoon after your brave attempt at
escape."

"How did you know it was I?" she asked, her puzzled brows
scanning his face as though she sought to recall from past
memories some scene in which he figured.