Black Dog, Grey Lady: a Raven at Random novella

From a quiet English valley where nothing uncanny ever happens, the mysteriously magical Mr Random Corwyn leads a team of paranormal investigators in vanquishing supernatural horrors haunting England's green and pleasant lands. But this time Random's own house is haunted by a sorrowing lady. Violet is still recovering from a terrifying ordeal with a fiery Djinn. And a monstrous black dog is marauding through their corner of Devon, preying on the people Mr Corwyn has sworn to protect Mr Corwyn is Not Amused.