When Ted's five-year-old sister, Vicki, invents an imaginary friend, no one is too concerned...except that Vicki's friend has the never-popular name of Marella, and unlike most imaginary friends, Marella can move things. Ted might think Marella is a ghost, but why would a ghost haunt Vicki, of all people? And why would she suddenly move into a house Ted's family has lived in for ages? And why is Marella terrified of another ghost, a dark figure who seems to be hunting Ted? Hilarious, haunting, and unexpectedly moving, There's a Dead Person Following My Sister Around is Vivian Vande Velde at her frightening best.