Henry Pym invents a shrinking serum, but is trapped in an ant hill when he tests it. He is attacked by several ants, but one of them helps him escape and restore his ordinary size. He destroys the serum because it is too dangerous.; Bill Carter purchases a mirror for his wife's birthday. It turns out to be cursed and she falls under the control of an undead sorceror until the mirror is broken.; The horse Silverstreak convinces the abusive jockey Barney to bet on them winning the next race. When they lose, Barney is caught trying to beat the horse and kicked out of racing, before being beaten up by his bookie.; A warrior race conquers world after world, but on one of them there seems to be life but their warrior can find none and dies of loneliness. The world was actually inhabited by sentient rocks.