Tess Gerritsen 
Gravity 
A Novel of Medical Suspense

In this propulsive, ‘;nonstop read’ (USA TODAY) from the New York Times bestselling author of The Shape of Night, a NASA doctor is in a deadly race against time to destroy a lethal microbe as it multiplies in the International Space Station.Dr. Emma Watson’s lifelong dream of working and studying aboard the International Space Station has finally come true. But it quickly becomes a nightmare when a culture of single-celled organisms begins to regenerate out of controland infects the crew. Emma must contain the outbreak and prevent as many deaths as possible while, back on Earth, her estranged husband is frantically working with NASA to bring her home. But with a contagion threatening all of humanity, there will be no rescue. ‘;Thrillingfast-paced, scary, and loaded with insider information’ (The Plain Dealer, Cleveland), Gravity is an unputdownable thriller that will keep you on the edge of your seat until the final page.