Ghost Frequencies

Susan MacDonald is desperate. Unless she makes a breakthrough soon, Ashford, the millionaire businessman financing her project, will shut it down and disband her research team. She knows she's close - that she's on the verge of proving her theory of Retrocausality, which will enable her to harness quantum mechanics to produce a revolutionary new form of instantaneous communication - but results are proving frustratingly elusive.

The last thing Susan needs is a team of ghost hunters moving i...