PARTY of LIARS

On Sale 7/1/25

Her birthday will be the death of them.

A lavish Sweet Sixteen turns deadly in this twisty, pulse-pounding novel—serving a fresh take on a classic locked-room mystery for fans of The Guest List and First Lie Wins.

[A] riveting thriller. People magazine My favorite kind of thriller—fun, twisty, fast-paced, and populated by characters who feel so real you'll want to invite them (well, some of them) to your next party. With this debut, Kelsey Cox joins my auto-buy list forever! Rachel Hawkins, bestselling author of The Heiress Brings the gothic house mystery to Texas, featuring a killer cast, heart-pumping pace, and well-plotted twists and turns. Nina Simon, bestselling author of Mother-Daughter Murder Night Dazzling, terrifying, achingly beautiful. Amanda Eyre Ward, bestselling author of Lovers and Liars An intoxicating alchemy that’s haunting, surprising, and eerie. This is the thriller of the summer. Katie Gutierrez, bestselling author of More Than You’ll Ever Know