On Sale 8/5/25
Some doors should never be opened.
The latest twisty thriller from #1 New York Times bestselling author of Gone Tonight and House of Glass.
Clever, twisty and oozing with desperation.
People Magazine, Best New Books
Deliciously twisty. A fascinating, detailed dive into psych ward indignities and dangers. Riveting from start to shattering finish.
Booklist (Starred Review)
Evocative and twisty … I loved every breathless minute of it.
Jennifer Hillier, bestselling author of Things We Do In The Dark
Fraught with tension … will leave you guessing until the very end.
Jeneva Rose, bestselling author of The Perfect Marriage
Instantly immersive, involving, insightful and scary—this is psychological suspense at its very best.
Lee Child, author of In Too Deep