midnight
Stop ! '' commanded Tom . But it was all in vain . The men leaped aboard the airship , which could carry six persons , and a moment later , with a deafening roar , as the engine opened up full , the big craft shot upward , taking away all but two of the midnight visitors . These , who had seemingly been stunned by Koku , now arose from the ground , and staggered off in the darkness . `` Get them ! '' cried Tom .