"This will do it," Carver said. "This book will prove, once and for all, the natural superiority of Terrans. We have proven it by force of arms, Fred, and we have proven it by our technology. Now it is proven by the impersonal processes of logic." Fred nodded. He knew the professor was quoting from the book's introduction. "Nothing must interfere with the great work," Carver said. "You agree with that, don't you?" "Sure," Fred said absent-mindedly. "The book comes first. Put the gooks in their place." "Well, I didn't exactly mean that. But you know what I mean. Under the circumstances, perhaps we should forget about sersee. Perhaps we should just finish the job we started." Fred turned and faced his employer. "Professor, how much do you expect to make out of this book?" "Hm? Well, the last did quite well, you will remember. This book should do even better. Ten, perhaps twenty thousand dollars!" He permitted himself a small smile. "I am fortunate, you see, in my subject matter. The general public of Earth seems to be rather interested in it, which is gratifying for a scientist." "Say you even make fifty thousand. Chicken feed! Do you know what we could make on a test tube of sersee?" "A hundred thousand?" Carver said vaguely. "Are you kidding? Suppose a rich guy was dying and we had the only thing to cure him. He'd give everything he owned! Millions!" "I believe you're right," Carver agreed. "And it would be a valuable scientific advancement.... But the medicine man unfortunately won't give us any." "Buying isn't the only way." Fred unholstered his revolver and checked the chambers. "I see, I see," Carver said, his red face turning slightly pale. "But have we the right?" "What do you think?" "Well, they are inferior. I believe I have proven that conclusively. You might indeed say that their lives don't weigh heavily in the scheme of things. Hm, yes—yes, Fred, we could save Terran lives with this!" "We could save our own lives," Fred said. "Who wants to punk out ahead of time?"