Eighty years out from earth, the ship crept between the stars. Though it would achieve a tenth of light speed, another century and a half would pass before its journey ended. Three miles long, the ship was a little world to itself.
Juanita Lopez walked slowly along the corridor. Usually friendly, today she hardly noticed the people she met. Her inner eye was fixed on the baby in the ship's clinic, the baby who should not have been born. Now the decision was hers as the ship's chief medical officer: Genetic contamination or purity? Life or death?