Duplicate decision #2705

The Gods of Mars

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

Why this decision was made

The titles 'The Gods of Mars' and 'Swords of Mars' refer to the same work in the John Carter series by Edgar Rice Burroughs, but they are distinct editions/volumes with different plot summaries (one involves Issus and sacrifice, the other Zodanga and assassins). According to policy, materially different editions or volumes are distinct records.

Index version: 2
Created: 2026-09-08 09:21 UTC
Last updated: 2026-09-08 09:21 UTC

Incoming candidate

The Gods of Mars

upload · 448

Candidate

Authors: Edgar Rice Burroughs
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/edgar-rice-burroughs_gods-of-mars.epub
Description: In this classic planetary romance, John Carter is mysteriously transported back to Mars after ten years. Battling religious tyranny led by the false goddess Issus, he joins forces with alien races to rescue his beloved Dejah Thoris from a deadly conspiracy involving starvation and sacrifice.

Local library

Swords of Mars

Local book #6395

Downloaded

Authors: Edgar Rice Burroughs
Language: english
Volume or part: None detected
Edition markers: None detected
Local EPUB: data/epubs/url-c7e36999984d417d.epub File present
Source URL: https://www.globalgreyebooks.com/ebooks-2/edgar-rice-burroughs_swords-of-mars.epub
Description: Warlord John Carter infiltrates a Martian assassins' guild in Zodanga to rescue his kidnapped wife, Dejah Thoris. Trapped by treacherous inventors and hunted by the planet's deadliest killers, Carter must rely on his superhuman strength and wits to escape a distant moon and return to save his beloved princess from certain death.

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Title similarity85%

Author similarity100%

Upload queue

Swords of Mars

Local book #6395

Queued

Authors: Edgar Rice Burroughs
Language: english
Volume or part: None detected
Edition markers: None detected
Local EPUB: data/epubs/url-c7e36999984d417d.epub File present
Source URL: https://www.globalgreyebooks.com/ebooks-2/edgar-rice-burroughs_swords-of-mars.epub
Description: Warlord John Carter infiltrates a Martian assassins' guild in Zodanga to rescue his kidnapped wife, Dejah Thoris. Trapped by treacherous inventors and hunted by the planet's deadliest killers, Carter must rely on his superhuman strength and wits to escape a distant moon and return to save his beloved princess from certain death.

View exact record Open source

Title similarity85%

Author similarity100%

Upload queue

Swords of Mars

Local book #6395

Queued

Authors: Edgar Rice Burroughs
Language: english
Volume or part: None detected
Edition markers: None detected
Local EPUB: data/epubs/url-c7e36999984d417d.epub File present
Source URL: https://www.globalgreyebooks.com/ebooks-2/edgar-rice-burroughs_swords-of-mars.epub
Description: Warlord John Carter infiltrates a Martian assassins' guild in Zodanga to rescue his kidnapped wife, Dejah Thoris. Trapped by treacherous inventors and hunted by the planet's deadliest killers, Carter must rely on his superhuman strength and wits to escape a distant moon and return to save his beloved princess from certain death.

View exact record Open source

Title similarity85%

Author similarity100%

LitVox public library

The Warlord of Mars

LitVox ID 1685

Public

Authors: Edgar Rice Burroughs
Language: Unknown
Volume or part: None detected
Edition markers: None detected
LitVox UUID: b469ffeb4517

View exact record

Title similarity76%

Author similarity100%

Local library

The Warlord of Mars

Local book #497

Downloaded

Authors: Edgar Rice Burroughs
Language: english
Volume or part: None detected
Edition markers: None detected
Local EPUB: data/epubs/url-51b895b805d809b7.epub File present
Source URL: https://www.globalgreyebooks.com/ebooks/edgar-rice-burroughs_warlord-of-mars.epub
Description: In the dying world of Mars, Prince John Carter races against time to rescue his beloved Dejah Thoris from the depths of the Temple of the Sun. Amidst political upheaval, ancient myths, and deadly creatures, Carter must unite the warring nations of Barsoom to defeat the tyrant of the north and restore peace to the red planet.

View exact record Open source

Title similarity76%

Author similarity100%

Upload queue

The Warlord of Mars

Local book #497

Queued

Authors: Edgar Rice Burroughs
Language: english
Volume or part: None detected
Edition markers: None detected
Local EPUB: data/epubs/url-51b895b805d809b7.epub File present
Source URL: https://www.globalgreyebooks.com/ebooks/edgar-rice-burroughs_warlord-of-mars.epub
Description: In the dying world of Mars, Prince John Carter races against time to rescue his beloved Dejah Thoris from the depths of the Temple of the Sun. Amidst political upheaval, ancient myths, and deadly creatures, Carter must unite the warring nations of Barsoom to defeat the tyrant of the north and restore peace to the red planet.

View exact record Open source

Title similarity76%

Author similarity100%

LitVox public library

A princess of Mars

LitVox ID 1529

Public

Authors: Edgar Rice Burroughs
Language: Unknown
Volume or part: None detected
Edition markers: None detected
LitVox UUID: bae3d4015efe

View exact record

Title similarity74%

Author similarity100%

Local library

A Princess of Mars

Local book #755

Downloaded

Authors: Edgar Rice Burroughs
Language: english
Volume or part: None detected
Edition markers: None detected
Local EPUB: data/epubs/url-1ecaa1909c5a01ef.epub File present
Source URL: https://www.globalgreyebooks.com/ebooks2/edgar-rice-burroughs_princess-of-mars.epub
Description: A classic planetary romance set on Mars, featuring alien civilizations, epic battles, and a heroic Earthman caught in a struggle between warring Martian races.

View exact record Open source

Title similarity74%

Author similarity100%

Local library

The Chessmen of Mars

Local book #871

Downloaded

Authors: Edgar Rice Burroughs
Language: english
Volume or part: None detected
Edition markers: None detected
Gutenberg ID: 1153
Local EPUB: data/epubs/pg1153.epub File missing
Source URL: https://www.gutenberg.org/ebooks/1153.epub.noimages
Description: In this classic science fiction adventure, Warlord John Carter returns to Earth in Martian attire to recount the thrilling tale of his daughter, Tara of Helium. Captured by the treacherous Jeddak of Manator, Tara faces a grim fate in the deadly games of Jetan until her father and allies launch a daring rescue. Blending action, romance, and exotic Martian culture, this story offers a gripping glimpse into the sword-and-planet world of Barsoom.

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Title similarity74%

Author similarity100%

Upload queue

A Princess of Mars

Local book #755

Queued

Authors: Edgar Rice Burroughs
Language: english
Volume or part: None detected
Edition markers: None detected
Local EPUB: data/epubs/url-1ecaa1909c5a01ef.epub File present
Source URL: https://www.globalgreyebooks.com/ebooks2/edgar-rice-burroughs_princess-of-mars.epub
Description: A classic planetary romance set on Mars, featuring alien civilizations, epic battles, and a heroic Earthman caught in a struggle between warring Martian races.

View exact record Open source

Title similarity74%

Author similarity100%

Local library

Heart of Gold

Local book #3209

Downloaded

Authors: Ruth Brown MacArthur
Language: english
Volume or part: None detected
Edition markers: None detected
Gutenberg ID: 23448
Local EPUB: data/epubs/pg23448.epub File present
Source URL: https://www.gutenberg.org/ebooks/23448.epub.noimages
Description: Heart of Gold by Ruth Brown MacArthur explores the central events, people, and ideas presented in the book.

View exact record Open source

Title similarity72%

Author similarity40%

Upload queue

Heart of Gold

Local book #3209

Queued

Authors: Ruth Brown MacArthur
Language: english
Volume or part: None detected
Edition markers: None detected
Gutenberg ID: 23448
Local EPUB: data/epubs/pg23448.epub File present
Source URL: https://www.gutenberg.org/ebooks/23448.epub.noimages
Description: Heart of Gold by Ruth Brown MacArthur explores the central events, people, and ideas presented in the book.

View exact record Open source

Title similarity72%

Author similarity40%

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	85
Author	100
Language Agreement	True
Volume Conflict	False
Edition Conflict	False
Author Conflict	False
Relationship	same_work_title_variant

LLM adjudication details

Decision	different
Confidence	0.95
Relationship	same_work_title_variant
Reason	The titles 'The Gods of Mars' and 'Swords of Mars' refer to the same work in the John Carter series by Edgar Rice Burroughs, but they are distinct editions/volumes with different plot summaries (one involves Issus and sacrifice, the other Zodanga and assassins). According to policy, materially different editions or volumes are distinct records.
Matched Fields	author, language
Conflicting Fields	title

Review history

Time	Action	Change	Reason
No manual review actions yet.