ALL IN A DROP: HOW ANTONY VAN LEEUWENHOEK DISCOVERED AN INVISIBLE WORLD, the highly-acclaimed nonfiction picture book written by Lori Alexander, is the story about a simple tradesman—who didn’t go to college or speak English or Latin like all the other scientists – that discovered the invisible world of microbes. ALL IN A DROP celebrates the power of curiosity, ingenuity, and persistence of one extraordinary man. | CCSS | NGSS | Taxonomy | Teacher Resources |