Smallpox Strikes! (The American Adventure Series #7)
by Norma Jean Lutz, Adam Wallenta
Category: Juvenile Fiction

Rob Allerton has problems. His stepfather, Josiah Foy, is determined to make a shipping clerk out of him, but Rob hates everything about the family business. And when he isn't getting into trouble at work, Rob and his half-sister Rachel are being set up for trouble at home by their stepbrother, Thomas. Then, on top of everything else, smallpox breaks out. Rob's friend, Dr. Boylston, has a radical new treatment that may save people from smallpox, but Josiah Foy refuses to even consider letting his family be inoculated. How can Rob convince his stepfather to risk Dr. Boylston's treatment before his family contracts the deadly disease?