Gravity

Chosen to conduct a three-month series of NASA experiments with single-cell organisms called Archaeons, Dr. Emma McCallan soon discovers the terrifying nature of these organisms and must race against time to stop a deadly disease that could threaten theChosen to conduct a three-month series of NASA experiments with single-cell organisms called Archaeons, Dr. Emma McCallan soon discovers the terrifying nature of these organisms and must race against time to stop a deadly disease that could threaten the entire world. Reissue. entire world. Reprint.