Thirteen-year-old Jon and his eleven-year-old sister, Tania, are typical kids—except Tania can communicate with ghosts. Their parents also happen to be the producers of a ghost-hunter television show—and have no idea one of their own kids can see ghos
“An engrossing introduction for young adult readers to the chillingly topical subject of man vs. microbe.” —The Wall Street Journal Did the Black Death destroy medieval Europe? Did cholera pave the way for modern Manhattan? Did yellow fever help