Three men are found dead in the locked second-floor office of a Honolulu building, with no sign of struggle except for the ultrafine, razor-sharp cuts covering their bodies. The only clue left behind is a tiny bladed robot, nearly invisible to the human eye. In the lush forests of Oahu, groundbreaking technology has ushered in a revolutionary era of biological prospecting. Trillions of microorganisms, tens of thousands of bacteria species, are being...

"For fans of the "Who Was" series, this lively, accessible, and full-color chapter book biography shows how a self-taught scientist was the first to observe the microbial life in and around us. By building his own microscope, Antony van Leeuwenhoek advanced humanity's understanding of our oft-invisible world around us."-- Provided by publisher.