"Should he desire a favor of any kind——"

"Then help him to reach his enemy, who is your enemy, who is the Gray Dragon of Len Yang!"

"In jest——"

"In all seriousness!" said Peter.

"It is death to enter Len Yang!"

"My mind is made up, mandarin!"

They had entered a narrow ravine, and on both sides of the slender trail rose up sharp elbows of hard rock. Peter's head was inclined a little to the right in an attitude he unconsciously assumed when listening for important words of man or wireless machine.

"It is the folly of adventurous youth," rang out the melodious and sincere voice of the mandarin. "It is a quest for a grail which will end in a pool of your own blood! Come into India with me!"

"But I decided—long ago—mandarin!"

"Your life is your life," said the mandarin sadly. "The City of Stolen Lives is beyond the mountain. Ch'ing!"