{"uid":"cap_LKTchATiVeBgZhA0RLcer","slug":"free-books-mystery-fiction-b08c770f","name":"free-books-mystery-fiction","description":"Free public-domain books on \"Mystery fiction\": browse the catalogue's works tagged with that Library of Congress subject (350 in Project Gutenberg alone, plus Internet Archive scans), ranked by relevance and popularity, with direct epub/txt/html download links. Add words to narrow by title or author. Re-verified daily. $0.01 per page of 20.","url":"https://intel.rallylive.ca/library/subject/mystery-fiction","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_WjI2s2ZTTuexHTXAfZ4vV","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a paginated catalogue of free public-domain mystery fiction books from Project Gutenberg and Internet Archive, ranked by relevance and popularity, with direct download links.","exampleAgentPrompt":"Can you find me a list of free public-domain mystery fiction books I can download as epub or txt files? Maybe narrow it down to something by Conan Doyle if possible.","exampleUseCases":[{"title":"Discovering classic detective novels","prompt":"Show me free public-domain mystery books I can download — I'm looking for classic detective stories, ideally by Arthur Conan Doyle or similar authors from that era."},{"title":"Building a mystery reading list","prompt":"I want to put together a reading list of popular free mystery novels available in the public domain — can you pull me a ranked list with download links?"},{"title":"Finding a specific mystery title","prompt":"Can you search the free mystery fiction catalogue for anything with 'yellow' in the title? I'm trying to track down a classic mystery novel and want epub download links."}],"resultDescription":"A paginated list (20 books per page) of public-domain mystery fiction titles, including author names, relevance and popularity rankings, and direct download links in epub, txt, and html formats. The catalogue draws from Project Gutenberg (350+ titles) and Internet Archive scans, re-verified daily.","failureModes":["No results returned if search terms are too specific or misspelled","Pagination out of range returns empty or error response","Temporary unavailability of upstream Project Gutenberg or Internet Archive data","Rate limiting or payment failure resulting in HTTP 402"],"whenToPreferThis":"Choose this endpoint when you need a curated, daily-verified catalogue of free public-domain mystery fiction with direct download links, especially when you want to search or filter by title or author within the genre. Prefer this over raw Project Gutenberg scraping for its relevance ranking, multi-source aggregation (Gutenberg + Internet Archive), and structured per-page pricing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:21:56.816Z","isFirstParty":false}