Duplicate decision #2532

The Dark Other

Approved Unique 95% confidence · llm:qwen3.5:9b

Why this decision was made

The records represent fundamentally different books: 'The Dark Other' by Stanley G. Weinbaum (psychological sci-fi) versus 'After Dark' by Wilkie Collins (Victorian mystery collection). The title similarity is coincidental due to the shared word 'Dark', but the authors, genres, descriptions, and content are entirely distinct.

Index version: 2
Created: 2026-09-08 09:11 UTC
Last updated: 2026-09-08 09:11 UTC

Incoming candidate

The Dark Other

upload · 265

Candidate

Authors: Stanley G. Weinbaum
Language: english
Volume or part: None detected
Edition markers: None detected
Source identifier: Not provided
Gutenberg ID: Not provided
Source URL: https://www.globalgreyebooks.com/ebooks2/stanley-g-weinbaum_dark-other.epub
Description: Stanley G. Weinbaum's "The Dark Other" presents a chilling psychological sci-fi narrative about a man haunted by a mysterious second personality. As the sinister alter ego grows stronger, the line between human and monster blurs, exploring themes of identity, possession, and the terrifying potential of the human mind.

Local library

After Dark

Local book #1176

Downloaded

Authors: Wilkie Collins
Language: english
Volume or part: None detected
Edition markers: None detected
Local EPUB: data/epubs/url-907ae7df34275961.epub File present
Source URL: https://www.globalgreyebooks.com/ebooks/wilkie-collins_after-dark.epub
Description: In this Victorian collection of mystery and suspense, a traveling portrait-painter and his wife recount a series of chilling tales framed by their own struggles with poverty and illness. Featuring a French governess, a nun, and a priest, the stories explore secrets, crime, and the darker side of respectable society.

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Title similarity80%

Author similarity31%

Local library

The Dark Tower

Local book #3105

Downloaded

Authors: Phyllis Bottome
Language: english
Volume or part: None detected
Edition markers: None detected
Gutenberg ID: 25829
Local EPUB: data/epubs/pg25829.epub File present
Source URL: https://www.gutenberg.org/ebooks/25829.epub.noimages
Description: A gritty, romantic war novel following Major Winn Staines, a rugged soldier who sacrifices his own happiness to protect the woman he loves, Claire, from the horrors of the trenches. Blending action, emotional depth, and moral complexity, this story explores themes of duty, self-sacrifice, and the enduring power of love amidst the chaos of World War I.

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Title similarity83%

Author similarity24%

Upload queue

The Dark Tower

Local book #3105

Queued

Authors: Phyllis Bottome
Language: english
Volume or part: None detected
Edition markers: None detected
Gutenberg ID: 25829
Local EPUB: data/epubs/pg25829.epub File present
Source URL: https://www.gutenberg.org/ebooks/25829.epub.noimages
Description: A gritty, romantic war novel following Major Winn Staines, a rugged soldier who sacrifices his own happiness to protect the woman he loves, Claire, from the horrors of the trenches. Blending action, emotional depth, and moral complexity, this story explores themes of duty, self-sacrifice, and the enduring power of love amidst the chaos of World War I.

View exact record Open source

Title similarity83%

Author similarity24%

Upload queue

After Dark

Local book #1176

Queued

Authors: Wilkie Collins
Language: english
Volume or part: None detected
Edition markers: None detected
Local EPUB: data/epubs/url-907ae7df34275961.epub File present
Source URL: https://www.globalgreyebooks.com/ebooks/wilkie-collins_after-dark.epub
Description: In this Victorian collection of mystery and suspense, a traveling portrait-painter and his wife recount a series of chilling tales framed by their own struggles with poverty and illness. Featuring a French governess, a nun, and a priest, the stories explore secrets, crime, and the darker side of respectable society.

View exact record Open source

Title similarity80%

Author similarity31%

Upload queue

The Dark Tower

Local book #3105

Queued

Authors: Phyllis Bottome
Language: english
Volume or part: None detected
Edition markers: None detected
Gutenberg ID: 25829
Local EPUB: data/epubs/pg25829.epub File present
Source URL: https://www.gutenberg.org/ebooks/25829.epub.noimages
Description: A gritty, romantic war novel following Major Winn Staines, a rugged soldier who sacrifices his own happiness to protect the woman he loves, Claire, from the horrors of the trenches. Blending action, emotional depth, and moral complexity, this story explores themes of duty, self-sacrifice, and the enduring power of love amidst the chaos of World War I.

View exact record Open source

Title similarity83%

Author similarity24%

Local library

The mark of the monster

Local book #1635

Downloaded

Authors: Jack Williamson
Language: english
Volume or part: None detected
Edition markers: None detected
Gutenberg ID: 76131
Local EPUB: data/epubs/pg76131.epub File missing
Source URL: https://www.gutenberg.org/ebooks/76131.epub.noimages
Description: In the desolate, haunted town of Creston, Claiborne Coe returns after seven years to marry his beloved Valyne, only to face a sinister warning from his adoptive father. Claiborne discovers a terrifying secret about his lineage and a monstrous twin brother, leading to a climactic confrontation at a forbidden altar where love, madness, and ancient evil collide.

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Title similarity71%

Author similarity36%

Local library

The Doers

Local book #4716

Downloaded

Authors: William John Hopkins
Language: english
Volume or part: None detected
Edition markers: None detected
Gutenberg ID: 27650
Local EPUB: data/epubs/pg27650.epub File present
Source URL: https://www.gutenberg.org/ebooks/27650.epub.noimages
Description: In this charming children's classic, a five-year-old boy named David observes the various tradesmen building a new house next door. From digging cellars to painting clapboards, David imagines himself participating in each stage of construction, complete with his cat and toy cart. The story captures the wonder of childhood curiosity and the step-by-step process of building a home.

View exact record Open source

Title similarity70%

Author similarity37%

Upload queue

The Doers

Local book #4716

Queued

Authors: William John Hopkins
Language: english
Volume or part: None detected
Edition markers: None detected
Gutenberg ID: 27650
Local EPUB: data/epubs/pg27650.epub File present
Source URL: https://www.gutenberg.org/ebooks/27650.epub.noimages
Description: In this charming children's classic, a five-year-old boy named David observes the various tradesmen building a new house next door. From digging cellars to painting clapboards, David imagines himself participating in each stage of construction, complete with his cat and toy cart. The story captures the wonder of childhood curiosity and the step-by-step process of building a home.

View exact record Open source

Title similarity70%

Author similarity37%

Upload queue

The Doers

Local book #4716

Queued

Authors: William John Hopkins
Language: english
Volume or part: None detected
Edition markers: None detected
Gutenberg ID: 27650
Local EPUB: data/epubs/pg27650.epub File present
Source URL: https://www.gutenberg.org/ebooks/27650.epub.noimages
Description: In this charming children's classic, a five-year-old boy named David observes the various tradesmen building a new house next door. From digging cellars to painting clapboards, David imagines himself participating in each stage of construction, complete with his cat and toy cart. The story captures the wonder of childhood curiosity and the step-by-step process of building a home.

View exact record Open source

Title similarity70%

Author similarity37%

LitVox public library

The War in the Air

LitVox ID 1651

Public

Authors: H. G. Wells
Language: Unknown
Volume or part: None detected
Edition markers: None detected
LitVox UUID: 9269d25eb391

View exact record

Title similarity69%

Author similarity37%

Local library

The War in the Air

Local book #463

Downloaded

Authors: H. G. Wells
Language: english
Volume or part: None detected
Edition markers: None detected
Local EPUB: data/epubs/url-b698b79f16e537ce.epub File present
Source URL: https://www.globalgreyebooks.com/ebooks/h-g-wells_war-in-the-air.epub
Description: H.G. Wells' prescient 1908 novel envisions a future aerial war that obliterates civilization. Through the eyes of Bert Smallways, a young mechanic in a German airship, the story depicts the destruction of New York, the collapse of global commerce, and the rise of a plague that wipes out humanity. A grim warning against unchecked technological progress and the inevitability of chaos without peace.

View exact record Open source

Title similarity69%

Author similarity37%

LitVox upload library

The mark of the monster

LitVox ID 2342

Parsed

Authors: Unknown author
Language: Unknown
Volume or part: None detected
Edition markers: None detected
LitVox UUID: 7d6811be31f3
Gutenberg ID: 76131

View exact record

Title similarity71%

Author similarity0%

Manual review

Choose the operational outcome

Approval returns a blocked job to its queue. Confirming a duplicate prevents the job from progressing and keeps this evidence for audit.

Decision evidence

Title	80
Author	31
Language Agreement	True
Volume Conflict	False
Edition Conflict	False
Author Conflict	True
Relationship	different_edition

LLM adjudication details

Decision	different
Confidence	0.95
Relationship	different_edition
Reason	The records represent fundamentally different books: 'The Dark Other' by Stanley G. Weinbaum (psychological sci-fi) versus 'After Dark' by Wilkie Collins (Victorian mystery collection). The title similarity is coincidental due to the shared word 'Dark', but the authors, genres, descriptions, and content are entirely distinct.
Matched Fields	language
Conflicting Fields	authors, title_tokens, description

Review history

Time	Action	Change	Reason
No manual review actions yet.