Lucas Davenport and his daughter, Letty, team up to track down a dangerous scientist whose latest project could endanger the entire world, in this latest thriller from #1 New York Times bestselling author John Sandford.Gaia is dying.That, at least, is what Dr. Lionel Scott believes. A renowned expert in tropical and infectious diseases, Scott has witnessed the devastating impact of illness and turmoil at critical scale. Society as it exists is untenable,...