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***Black Sabbath
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***The Girl Who Knew Too Much
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****Blood and Black Lace
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**Death on the Fourposter
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**Assassination in Rome
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**The Embalmer
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***Libido
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***The Possessed
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***Blow-Up
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***The Murder Clinic
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***The Third Eye
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**Deadly Sweet
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***A Black Veil for Lisa
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***Death Laid an Egg
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***Naked You Die
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***The Sweet Body of Deborah
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***La bambola di Satana
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***Double Face
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***Naked Violence
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***Orgasmo
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***Perversion Story
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***So Sweet... So Perverse
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**Top Sensation
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***Yellow: The Cousins
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****The Bird with the Crystal Plumage
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***Death Occurred Last Night
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***Five Dolls for an August Moon
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***The Forbidden Photos of a Lady Above Suspicion
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***Hatchet for the Honeymoon
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***In the Folds of the Flesh
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***A Quiet Place to Kill
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***The Weekend Murders
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***A Bay of Blood
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**Black Belly of the Tarantula
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***The Bloodstained Butterfly
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***The Case of the Scorpion’s Tail
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****The Cat o’ Nine Tails
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****Cold Eyes of Fear
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***Death Walks on High Heels
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***The Designated Victim
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**The Devil with Seven Faces
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***The Fifth Cord
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****Four Flies on Grey Velvet
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**Human Cobras
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***An Ideal Place to Kill
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***The Iguana with the Tongue of Fire
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***A Lizard in a Woman’s Skin
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***The Night Evelyn Came Out of the Grave
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***Short Night of Glass Dolls
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***Slaughter Hotel
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***The Strange Vice of Mrs. Wardh
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***All the Colors of the Dark
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***Amuck
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***The Case of the Bloody Iris
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***The Crimes of the Black Cat
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***The Dead Are Alive
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***Death Walks at Midnight
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***Delirium
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***Don’t Torture a Duckling
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***Eye in the Labyrinth
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***The French Sex Murders
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***Knife of Ice
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***My Dear Killer
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***Naked Girl Murdered in the Park
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**The Red Headed Corpse
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***The Red Queen Kills Seven Times
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***Seven Blood-Stained Orchids
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***Smile Before Death
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***So Sweet, So Dead
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***Tropic of Cancer
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***The Weapon, the Hour, the Motive
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***What Have You Done to Solange?
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***A White Dress for Marialé
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***Who Saw Her Die?
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***Your Vice Is a Locked Room and Only I Have the Key
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***Death Carries a Cane
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**Door Into Darkness
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***Seven Deaths in the Cats Eyes
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***Torso
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**Death Will Have Your Eyes
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***Five Women for the Killer
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***The Girl in Room 2A
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***The Killer Reserved Nine Seats
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***The Perfume of the Lady in Black
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***Puzzle
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***Spasmo
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***What Have They Done to Your Daughters?
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***Autopsy
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***The Bloodsucker Leads the Dance
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**Calling All Police Cars
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****Deep Red
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***Eyeball
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***Footprints on the Moon
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**The Killer Must Kill Again
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***The Police Are Blundering in the Dark
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***Strip Nude for Your Killer
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***The Sunday Woman
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***The Suspicious Death of a Minor
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**The House with Laughing Windows
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**Plot of Fear
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***Shadows in an Empty Room
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***All the Souls… Except the Dead
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***Crazy Desires of a Murderer
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***Nine Guests for a Crime
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***The Psychic
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***Watch Me When I Kill
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***The Bloodstained Shadow
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***Hotel Fear
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***The Pyjama Girl Case
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***Red Rings of Fear
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***The Sister of Ursula
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***Giallo in Venice
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***The Killer Nun
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***Play Motel
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***Madhouse
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***Murder Obsession
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****The New York Ripper
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***The Scorpion with Two Tails
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***Tenebre
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****A Blade in the Dark
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***Murder-Rock: Dancing Death
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**Formula for a Murder
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***Nothing Underneath
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***Phenomena
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***The Killer Is Still Among Us
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***The Monster of Florence
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***Delirium
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***Opera
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***StageFright
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**Phantom of Death
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***Too Beautiful to Die
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***Arabella: Black Angel
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***Nightmare Beach
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***A Cat in the Brain
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**Scandal in Black
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***Body Puzzle
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**The Smile of the Fox
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***Trauma
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*The Washing Machine
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**Crime of Passion
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**The Girl from Cortina
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*Fatal Frames
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***The Stendhal Syndrome
143 titles