After reading through pages of definitions of the word and endless historical references, Athena was reasonably sure there was nothing that referred to her tribe. Giving it up as a bad job, she went back to what she had been doing all that time ago when her father had interrupted her. With a quick, guilty look over her shoulder she brought up the two globes, Home and this planet, and set them turning slowly side by side.

They were not absolutely identical. The coastlines ...