Rowan Vale

At 11:47 p.m., the door to Room Nine opens-and a barefoot woman walks into a corridor with no exit. Twenty-eight seconds later, the lights return. The woman is gone. Inside the locked room, documentary producer Lenora Voss sits dead at her desk, a black number nine written across her palm. Night clerk Mara Ellison has spent eleven months inside the Halcyon Hotel searching for the truth about her missing sister.
Now the dead woman has left a message on the mirror: MARA KNOWS WHO CAME FIRST. Trapped by a flood with six suspects, a hidden passage, and a hotel built on blackmail, Mara must untangle two false identities and one impossible murder before the evidence burns. But Room Nine's oldest secret is not who died there. It's who survived. The Last Guest in Room Nine is a full-length atmospheric locked-room mystery for readers who enjoy impossible crimes, unreliable witnesses, isolated settings, and endings that open one final door.