Cynthia Leitich Smith
Check out the book trailer for Spirit Hunters by Ellen Oh (HarperChildren's, 2017). From the promotional copy:
We Need Diverse Books founder Ellen Oh returns with Spirit Hunters, a high-stakes middle grade mystery series about Harper Raine, the new seventh grader in town who must face down the dangerous ghosts haunting her younger brother.
A riveting ghost story and captivating adventure, this tale will have you guessing at every turn!
Harper doesn’t trust her new home from the moment she steps inside, and the rumors are that the Raine family’s new house is haunted. Harper isn’t sure she believes those rumors, until her younger brother, Michael, starts acting strangely.
The whole atmosphere gives Harper a sense of déjà vu, but she can’t remember why. She knows that the memories she’s blocking will help make sense of her brother’s behavior and the strange and threatening sensations she feels in this house, but will she be able to put the pieces together in time?