Ghostly Echoes Jackaby Series, Book 3.

POSSESSION. Jenny wanted to attempt possession, and in my foolish eagerness I agreed. The office faded into a blinding haze of whiteness, and together Jenny and I tumbled into a world of mist and cold and pain . . . . . . and out the other side. Jenny Cavanaugh, the ghostly lady of 926 Augur Lane, has enlisted the services of her detective-agency tenants to solve a decade-old murder-her own. Abigail Rook and her eccentric employer, R. F. Ja...