I (untitled) 5 II Too Much Static 8 III Yuri or Formis? 14 IV The Coup D’etat 18 V Lost Amid the Rocks 27 VI The Vairkings 36 VII Radio Once More 42 VIII But Why Radio? 49 IX A Prisoner 60 X The Siege of Sur 69 XI Att the Terrible 80 XII Companions in Misery 85 XIII Further Progress 93 XIV Old Friends 101 XV Plans for Escape 108 XVI Afterthoughts 117 XVII The Battle for Vairkingi 124 XVIII The Fall of Vairkingi 133 XIX The Battle in the Air 142 XX The Whoomangs 149 XXI Souls? 160 XXII Flight 169 XXIII Luno and Beyond 180 XXIV The Lobsteroid Circuit 189 XXV All Kinds of Trouble 199 XXVI The Debacle 206 XXVII Peace on Poros 217 [Illustration: Venusian Ant] I “It’s too bad that Myles Cabot can’t see this!” I exclaimed, as my eye fell on the following item: _SIGNALS FROM MARS FAIL TO REACH HARVARD_ _Cambridge, Massachusetts, Wednesday. The Harvard College Radio Station has for several weeks been in receipt of fragmentary signals of extraordinarily long wave-length, Professor Hammond announced yesterday. So far as it has been possible to test the direction of the source of these waves, it appears that the direction has a twenty-four hour cycle, thus indicating that the origin of these waves is some point outside the earth._ _The university authorities will express no opinion as to whether or not these messages come from Mars._ Myles, alone of all the radio engineers of my acquaintance, was competent to surmount these difficulties, and thus enable the Cambridge savants to receive with clearness the message from another planet.