A New York Times Bestseller and 2023 Edgar Award Nominee for Best Young Adult! The truth won't stay hidden behind locked doors. An addictive, psychological thriller from the New York Times bestselling author of 14 WAYS TO DIE. Tom's family has moved into their dream home. But pretty soon he starts to notice that something is very wrong--there are strange messages written on the wall and locks on the bedroom doors. On the OUTSIDE. The previous owners have moved just across the road, and they seem like the perfect family. Their daughter, Amy, is beautiful and enigmatic, but Tom is sure she's hiding something. And he isn't going to stop until he finds the truth behind those locked doors. . . Will their dream home become a nightmare? Lock the Doors is perfect for readers looking for: Phycological thrillers Determined characters who persevere Short chapters with action-packed, heightened tension Unputdownable and bingeworthy novels Books by Karen McManus, Holly Jackson, and Lisa Jewell