The Inner Planet Fleet's spacegoing salvage vessel Cerebus III leaped sidewise as though she was trying desperately to escape from some mythical monster of the spaceways. Inside the instrument filled control room the tiny group of ship's officers, gathered together by Captain Stevens' urgent order, felt their feet leave the deck. They reached wildly for any hold available, the lucky ones clinging desperately with strained muscles, the others jumbled in awkward cursing heaps against the bulkheads