Simon Canderous, book 3: Dead Matter
Anton Strout2010

The spirit populace of Manhattan doesn't appreciate its well-deserved RIP being disturbed, and Department of Extraordinary Affairs Agent Simon Canderous is sent in to do damage control. Meanwhile, his vacationing partner, Connor Christos, is in a sorry state, and he tells Simon that each night he's being haunted by visions of his long-lost brother at his window. Simon is worried that his partner may be going crazy-or worse, maybe he's not...