Shield Author:Poul Anderson Kaskinen had returned to earth with a strange new 'Shield'--a device which enclosed the wearer in a force screen which absorbed all energies below a certain level. Light could come through the Shield, but no weapon known to man could penetrate it . . . Koskinen had developed the Shield in collaboration with the Martians. From the moment of his... more » return to earth he was in deadly danger. His own country sent men to kill him to prevent the Shield from falling into Chinese hands . . . Soon the whole civilized world was searching for this one man--a man armed with the greatest potential military weapon mankind had ever seen . . . The only question was which power would possess the Shield as its very own?« less