'A modern horror classic from one of the most exciting writers in the field today' - Starburst Magazine A haunted house tour-de-force from the creator of THE MAGNUS ARCHIVES podcast.GOING UP? A dinner party is held in the penthouse of a multimillion-pound development. All the guests are strangers - even to their host, the billionaire owner of the buildingNone of them know why they were selected to receive his invitation. Whether privileged or deprived, they share only one thing in common - they've all experienced a shocking disturbance within the building's walls.By the end of the night, their host is dead, and none of the guests will say what happened. His death has remained one of the biggest unsolved mysteries - until now.But are you ready for their stories?'Combines a creeping sense of unease with all-out gore . . . Nerve-jangling.' - Guardian 'A wonderfully creepy climax, hitting that perfect spot of uncanny horror' - Grimdark Magazine