{"uid":"cap_NDPHKyxWBL52iY9audq0I","slug":"free-books-science-fiction-018989e0","name":"free-books-science-fiction","description":"Free public-domain books on \"Science fiction\": browse the catalogue's works tagged with that Library of Congress subject (3,342 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. $0.01 per page of 20.","url":"https://intel.rallylive.ca/library/subject/science-fiction","method":"GET","headers":{},"bodySchema":{"type":"object","$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_djpJRoaLPWl57MlpsqfYf","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 science fiction books from Project Gutenberg and Internet Archive, ranked by relevance and popularity, with download links.","exampleAgentPrompt":"Can you pull up a list of free public-domain science fiction books I can download, maybe filtering by H.G. Wells if possible?","exampleUseCases":[{"title":"Discovering classic sci-fi to read offline","prompt":"Find me some free downloadable science fiction books from Project Gutenberg — I want epub or txt files I can sideload onto my e-reader tonight."},{"title":"Researching popular public-domain sci-fi authors","prompt":"What are the most popular free science fiction books available? I want to see a ranked list with author names so I can pick something well-loved."},{"title":"Narrowing catalogue by title keyword","prompt":"Search the free science fiction book catalogue for anything with 'Mars' in the title — I want download links for whatever public-domain works come up."}],"resultDescription":"A page of up to 20 science fiction book records, each including title, author, relevance/popularity ranking, and direct download links in epub, txt, and/or html formats. Data is sourced from Project Gutenberg (3,342+ titles) and Internet Archive scans, re-verified daily.","failureModes":["No results returned if search keywords are too restrictive or misspelled","Pagination beyond available results returns empty page","Temporary unavailability of upstream Project Gutenberg or Internet Archive data may cause stale or missing entries","Invalid query parameters may return an error response"],"whenToPreferThis":"Choose this endpoint when you need to discover or link to free, legally downloadable science fiction ebooks in public domain, especially when you want ranked results by popularity and multiple format options (epub/txt/html). It is better suited than a general web search when you specifically need Project Gutenberg / Internet Archive catalogue data with verified download links.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:21:57.573Z","isFirstParty":false}