150+ Horror Books for Free! [PDF]

Welcome to InfoBooks, where nightmares come to life! Our collection of horror books in PDF is packed with stories that will make you question every shadow and eerie sound.

But horror isn’t just about fear. It is about mystery, suspense, and stories that linger in your mind long after you have finished reading. Here, you will find books that terrify, intrigue, and even move you.

Want to explore the mind of a serial killer? Are you drawn to haunted houses, restless spirits, or creatures lurking in the dark? We have horror books in PDF for every taste.

If you are ready to face your fears, start exploring now. Browse, discover, and download, because the scariest stories are just a click away.

Sweet nightmares!

Important: Below, we present a collection of 15 must-read horror books. If you dare to explore further, scroll to the bottom of the page to access the full collection with over 150 horror books in PDF across all terrifying categories.

#1 Dracula

Author: Bram Stoker

Dracula Bram Stoker

Extension: PDF | 606 pages

A mysterious count, a dark castle, and an ancient evil. When Jonathan Harker arrives in Transylvania, he unknowingly falls into the grasp of Count Dracula. As the vampire sets his sights on London, a group of unlikely heroes must stop him before darkness consumes them all.

Dracula is more than a tale of terror. It is a masterpiece of suspense, gothic atmosphere, and relentless dread. Bram Stoker’s legendary novel continues to haunt readers, proving that some nightmares never die.

#2 The Strange Case of Dr. Jekyll and Mr. Hyde

Author: Robert Louis Stevenson

The Strange Case of Dr. Jekyll and Mr. Hyde Robert Louis Stevenson

Extension: PDF | 107 pages

A brilliant doctor, a horrifying secret, and a battle between good and evil. Dr. Jekyll’s experiments unleash Mr. Hyde, a monstrous alter ego with no conscience. As Hyde’s influence grows, Jekyll struggles to control the nightmare he has created.

The Strange Case of Dr. Jekyll and Mr. Hyde is a chilling tale of human duality and the dangers of unchecked ambition. Stevenson’s classic continues to haunt readers with its unsettling questions about the darkness within us all.

#3 At the Mountains of Madness

Author: H. P. Lovecraft

At the Mountains of Madness H. P. Lovecraft

Extension: PDF | 187 pages

A doomed expedition, an ancient horror, and secrets buried in the ice. In Antarctica, scientists uncover ruins of an unimaginable past. What begins as a discovery soon turns into a terrifying struggle against forces beyond human comprehension.

At the Mountains of Madness is Lovecraft’s ultimate cosmic horror masterpiece. With its eerie atmosphere and mind-shattering revelations, this tale drags readers into the depths of madness, where some truths are better left undiscovered.

#4 Frankenstein

Author: Mary Shelley

Frankenstein Mary Shelley

Extension: PDF | 331 pages

A brilliant scientist, a tragic creation, and a terrible mistake. Victor Frankenstein brings a creature to life, only to abandon it in horror. Rejected and alone, the creature seeks vengeance, setting off a chilling battle between creator and creation.

Frankenstein is a masterpiece of gothic horror and deep questions. Mary Shelley’s timeless novel explores ambition, isolation, and the consequences of playing god, leaving readers to wonder who the real monster is.

#5 The Phantom of the Opera

Author: Gaston Leroux

The Phantom of the Opera Gaston Leroux

Extension: PDF | 377 pages

A masked phantom, a rising opera star, and a love story shrouded in darkness. Beneath the Paris Opera House, a mysterious figure haunts the halls, obsessed with the beautiful Christine. As his jealousy turns dangerous, she must uncover the truth before it’s too late.

The Phantom of the Opera is a gothic tale of love, obsession, and betrayal. Gaston Leroux weaves mystery and horror into a haunting story that continues to captivate readers, proving that some ghosts never fade.

#6 The House on the Borderland

Author: William Hope Hodgson

The House on the Borderland William Hope Hodgson

Extension: PDF | 244 pages

A forgotten manuscript, a crumbling house, and a descent into cosmic horror. In a remote ruin, a man records his terrifying encounters with otherworldly beings. As reality unravels, he faces horrors beyond human understanding.

The House on the Borderland blends gothic horror with cosmic terror. William Hope Hodgson crafts a surreal, unsettling tale that lingers long after the final page.

#7 The House of the Seven Gables

Author: Nathaniel Hawthorne

The House of the Seven Gables Nathaniel Hawthorne

Extension: PDF | 427 pages

An ancient curse, a haunted mansion, and secrets buried in the past. The Pyncheon family home hides a dark history of betrayal and misfortune. As generations pass, the ghosts of the past refuse to rest.

The House of the Seven Gables is a gothic masterpiece of mystery and fate. Nathaniel Hawthorne weaves a haunting tale of guilt, revenge, and the inescapable grip of history.

#8 The Call of Cthulhu

Author: H. P. Lovecraft

The Call of Cthulhu H. P. Lovecraft

Extension: PDF | 53 pages

A hidden cult, a monstrous god, and a terror beyond time. When a professor uncovers strange documents, he pieces together a horrifying truth. Something ancient stirs beneath the sea, and its awakening could mean the end of humanity.

The Call of Cthulhu is Lovecraft’s most famous tale of cosmic horror. With its creeping dread and mind-shattering revelations, this story drags readers into a universe where mankind is powerless against the vast, indifferent forces of the unknown.

#9 Carmilla

Author: Sheridan Le Fanu

Carmilla Sheridan Le Fanu

Extension: PDF | 129 pages

A lonely castle, a mysterious guest, and a love hiding a dark secret. When the beautiful Carmilla arrives, young Laura is drawn to her in ways she cannot explain. But as strange events unfold, the truth becomes more terrifying than she ever imagined.

Carmilla is a gothic vampire tale that predates Dracula. Sheridan Le Fanu weaves an eerie, seductive, and unsettling story of love, obsession, and the supernatural, leaving readers spellbound by its haunting beauty.

#10 The Picture of Dorian Gray

Author: Oscar Wilde

The Picture of Dorian Gray Oscar Wilde

Extension: PDF | 229 pages

A striking young man, a cursed portrait, and a soul steeped in darkness. Dorian Gray’s beauty remains untouched by time, while his hidden portrait bears the weight of his sins. As he surrenders to temptation, his descent into corruption becomes inevitable.

The Picture of Dorian Gray is a gothic masterpiece of vanity, morality, and decadence. Oscar Wilde crafts a mesmerizing tale that explores the price of eternal youth and the horrifying consequences of a life without conscience.

#11 The War of the Worlds

Author: H. G. Wells

The War of the Worlds H. G. Wells

Extension: PDF | 263 pages

A falling star, towering machines, and an unstoppable invasion. When Martians land on Earth, humanity watches in awe—until the attack begins. As cities burn and chaos spreads, survival becomes a desperate struggle against a terrifying, advanced enemy.

The War of the Worlds is a groundbreaking sci-fi horror classic. H.G. Wells delivers a gripping tale of invasion, fear, and the fragility of human civilization in the face of the unknown.

#12 The Turn of the Screw

Author: Henry James

The Turn of the Screw Henry James

Extension: PDF | 192 pages

A remote estate, two eerie children, and whispers of ghosts. When a young governess arrives at Bly Manor, she begins to see shadowy figures watching from the dark. As fear and doubt consume her, she must uncover the truth, if she can trust her own mind.

The Turn of the Screw is a chilling psychological horror classic. Henry James crafts an unsettling tale of paranoia, the supernatural, and the blurred line between reality and madness.

#13 The Canterville Ghost

Author: Oscar Wilde

The Canterville Ghost Oscar Wilde

Extension: PDF | 53 pages

A haunted mansion, a frustrated ghost, and a family that won’t be scared. When the Otis family moves into Canterville Chase, they mock its resident spirit. Noisy chains and eerie moans are no match for their wit and humor.

The Canterville Ghost is a clever mix of gothic horror and satire. Oscar Wilde crafts a witty, charming tale that turns the classic ghost story upside down, proving not all hauntings go as planned.

#14 Morella

Author: Edgar Allan Poe

Morella Edgar Allan Poe

Extension: PDF | 12 pages

A mysterious woman, an ominous love, and a fate that defies death. Morella’s intellect and presence haunt her husband, even beyond the grave. As time passes, an eerie connection between past and present begins to unfold.

Morella is a chilling tale of obsession and the supernatural. Edgar Allan Poe weaves a story of love, death, and an unbreakable bond that lingers in the shadows, refusing to fade.

#15 The Gold-Bug

Author: Edgar Allan Poe

The Gold-Bug Edgar Allan Poe

Extension: PDF | 27 pages

A cryptic message, a buried treasure, and a journey into mystery. When William Legrand discovers a strange golden beetle, he stumbles upon a secret that could lead to unimaginable wealth. But decoding the clues will test his mind, and his sanity.

The Gold-Bug is a thrilling tale of puzzles, adventure, and hidden fortunes. Edgar Allan Poe blends mystery and suspense in a story that keeps readers hooked until the very last clue is revealed.

Access Our Complete Collection of Horror Books

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