Only a race as incredibly elastic as the Grom could have a single rule of war: id the Pilot slowed the ship almost to a standstill, and peered anxiously at the green planet below. Even without instruments, there was no mistaking it. Third from its sun, it was the only planet in this system capable of sustaining life. Peacefully it swam beneath its gauze of clouds. It looked very innocent. And yet, twenty previous Grom expeditions had set out to prepare this planet for invasion—and vanished utter