Joe Golem: The Drowning City (Joe Golem: The Drowning City #1)

A psychic medium is captured by a crazed scientist desperate to find an occult object that will connect him to worlds beyond the veil, and paranormal investigator Simon Church and his hardy detective race to find the artifact with the help of the medium's assistant before its supernatural side effects can destroy the city. But another mystery looms more than ever, as the occult detective searches for answers about his real identity and his past that's been kept secret for so long.