Samantha Sanderson Without a T

In Samantha Sanderson Without a Trace by Robin Caroll, Samantha's friend Tam Lee has gone missing, and as the days pass, all the clues point to something sinister. Sam must decide whether to do what everyone wants her to do and let law enforcement continue to work as though Tam Lee is a runaway. Or should Sam follow her heart and keep poking around looking for more clues? The fourth book in the Faithgirlz Samantha Sanderson series. Recommended for ages 9 to 12 years.