If You Lie
Caleb Stephens
In a Dark, Dark Wood
Ruth Ware
In the Blood
Lisa Unger
The Hollows (3)
Inferno
Dan Brown
Robert Langdon (4)
The Ingenue
Rachel Kapelke-Dale
Ink and Bone
The Hollows (5)
Inspection
Josh Malerman
Into the Darkest Corner
Elizabeth Haynes
Into the Fall: A Thriller
Tamara L. Miller
The It Girl
Just Another Missing Person
Gillian McAllister
Just One Look
Lindsay Cameron
Just the Nicest Couple
Mary Kubica
Lady in the Lake
Laura Lippman
The Last Breath
Kimberly Belle
Last Girl Ghosted
The Last House Guest
Megan Miranda
The Last Housewife
Ashley Winstead
The Last Passenger
Will Dean
The Last Ranger
Peter Heller
The Last Resort
Marissa Stapley
The Last Town
Blake Crouch
Wayward Pines (3)
The Listeners
Jordan Tannahill
Little Heaven
Nick Cutter
Little Secrets
Jennifer Hillier
The Long Walk
Richard Bachman
The Lost Girls of Willowbrook
Ellen Marie Wiseman
The Lost Man
Jane Harper
The Lost Summers of Newport
Williams, Beatriz & White, Karen & Willig, Lauren
The Lost Symbol
Robert Langdon (3)
The Lost Village
Camilla Sten
Lucky
The Maidens
Alex Michaelides
Malorie
Bird Box (2)
The Marriage Lie
Middle of the Night
Riley Sager
Novels (8)
Midnight
Amy McCulloch
Midnight Is the Darkest Hour
Midnight on Beacon Street: A Novel
Emily Ruth Verona
Mothered
Zoje Stage
Mr. Nobody
Catherine Steadman
Murder Road
Simone St. James
My Darling Daughter
J.P. Delaney
My Darling Husband
The Need
Helen Phillips
The Neighbors
Hannah Mary McKinnon
Never Coming Home
Never Let You Go
Chevy Stevens
Never Lie
Freida McFadden
NEW-Something in the Water: A Novel