An accessible and visually arresting picture book about the smallest known and most mysterious particle of matter, for the youngest scientific minds. Before you finish reading this sentence, trillions upon trillions of neutrinos will have passed through your body. Not sure what a neutrino is? This dazzling picture book from a renowned cosmologist introduces young readers to the smallest bits of matter known to exist. And they exist everywhere! Filled with fascinating, full-bleed illustrations that swirl and splash the cosmos to life, this incredible STEM title shows us the wonders of our universe, encouraging children and future Nobel Prize-winners to dream of their own groundbreaking discoveries.