- Werewolves of London
- WEST FRENCH PLACE MYSTERY
- West Mean Street
- West Quarry Farm
- West Seattle Blues
- West Side Gory
- Westside
- Westwick Witches Magical Mystery Box Set
- Whack Job
- What a Ghoul Wants
- What A Meth
- What A Nunderful World
- What Abigail Did That Summer
- What Alice Knew
- What Are You Wearing to Die?
- What Goes Around
- What Happened to Joe French?
- What Happened to Liam?
- What His Wife Knew
- What Is a Girl Like You ...
- What Leads a Man to Murder
- What Lies Behind
- What Lies Beneath
- What Lies Beneath the Graves
- What Looks Like Crazy
- What Lurks Behind Real
- What Mommy Said
- What Not to Wear to a Graveyard
- What Now My Love
- What She Did
- What She Found
- What She Knew
- What She Lost
- What the Cat Dragged In
- What the Cat Saw
- What the Cluck? It's Murder
- What the Fly Saw
- What the Hatmaker Heard
- What the Widow Knew
- What Will Survive
- What's A Ghoul to Do?
- What's a Girl Gotta Do?
- What's Become of Her
- What's in a Name?
- What's on True Crime Tonight? A Mystery Story
- What's The Point?
- Whatever Doesn't Kill You
- What’s the Matter with Mary Jane?
- When Aloha Means Goodbye
- When Angels Sleep
- When Birds Fall Silent
- When Blood Whispers: A Bad Date Forensic Thriller
- When Bobbie Sang the Blues
- When Evil Collides
- When Evil Wakes
- When Eyes Don't Lie
- When I Find You
- When I Looked Away
- When I Was Ten
- When I Was You
- When it Rains it Pours
- When Murder Comes Home
- When Night Falls
- When No One Is Watching
- When Red Mist Rises
- When Secrets Die
- When Secrets Kill
- When She Disappeared
- When Silence Kills
- When the Bough Breaks
- When the Cookie Crumbles
- When the Dead Awaken
- When the Devil Doesn't Show
- When the Earth Cracked
- When the Fireflies Returned
- When the Flood Falls
- When the Sandpiper Calls
- When the Sea Gives Up Its Dead
- When the Sea Gives Up Its Dead (Mystery Novel)
- When the Shadows Fall
- When the Shivers Run Down Your Spine
- When the Universe Called
- When the Wind Howls in New Directions
- When They Find Her
- When Will the Dead Lady Sing?
- When Worms Abandon Their Burrows
- When You Are Mine
- When Zeffie Got a Clue
- Where Angels Fear
- Where Angels Fear ~ Christy Bristol Mysteries ~ Book 2
- Where Are You Now?
- Where Bodies Lie
- Where Cowards Tread
- Where Dead Bodies Lie (The Body Dowser Series, #1)
- Where Death Rejoices
- Where Evil Hides
- Where Evil Lurks
- Where Is He?
- Where Evil Lurks
- Where Is He?
- Where Lost Girls Go
- Where My Witches At?: Magic and Mayhem Universe
- Where Nobody Dies
- Where Petals Fall
- Where Pigs Fly
- Where the Bodies Lie Buried
- Where The Hell Is Tessa Ryker?
- Where the Ice Falls
- Where the Lost Girls Go
- Where the Truth Lies
- Where There's a Witch
- Where There's A Witch, There's A Way
- Where There’s a Will There’s a Murder (Residue Class Mysteries, #2)
- Where They Found Her
- Where To Choose
- Where Trouble Roams
- Where We Went Wrong
- Where's Emma?: A Denali Hawthorne Short Mystery
- Wherever She Goes
- Which One Dies Today? Murder In Memphis
- While My Pretty One Knits
- While My Pretty One Sleeps
- Whips and Spurs and Murder
- Whips, Cuffs, and Little Brown Boxes: A Lilly M. Mystery
- Whisked Warnings
- Whisker of Evil
- Whiskers and Warrants
- Whiskers in the Dark
- Whiskey and Gunpowder
- Whiskey con ghiaccio (Un giallo di Ruby Steele – Libro 1)
- Whiskey for Breakfast
- Whiskey Lullaby
- Whiskey on the Rocks (Novella)
- Whiskey Snow
- Whiskey Tango Foxtrot
- Whiskey Witches
- Whiskey, You're the Devil
- Whisky für den Mörder
- Whisky mit Mord
- Whisky mit Schuss
- Whisper in the Night
- Whisper Island
- Whisper Network
- Whisper of Warning
- Whispered Voices
- Whisperings Paranormal Mystery Along Came a Demon The Demon Hunters Dead Demon Walking