The Secret Ghost by Melinda Thielbar, Paperback | Indigo Chapters

Sam's little sister Michelle thinks there's a ghost in the creepy old house their dad bought. With help from a couple of friends on the soccer team, Sam, Amy, and Michelle use an old ghost story-plus measuring tools and calculations for distance, volume, and perimeters-to figure out the truth behind . . . The Secret Ghost. | The Secret Ghost by Melinda Thielbar, Paperback | Indigo Chapters