A new addition to the Faithgirlz trusted brand of books, Samantha Sanderson is a modern, resourceful 7th grader who enjoys shopping, texting, skating---and sniffing out the next big mystery to report in the school paper. In the third book of the series, Sam and her tech-savvy BFF Makayla are investigating who might be behind a virus that was uploaded into their school's computer system to tamper with the grades.