# On the origin of species by means of natural selection **Author(s):** Charles Darwin **Unpaid SageChimp rating:** insufficient data (0 unpaid reviews; need 5) **Verdict JSON:** https://www.sagechimp.com/books/on-the-origin-of-species-by-means-of-natural-selection/verdict.json **Genres:** literary-classics, science **Publisher:** Simon & Schuster, Limited **Published:** Fri Jan 01 2016 00:00:00 GMT+0000 (Coordinated Universal Time) **Language:** en **ISBN-13:** 9781451686142 **ISBN-10:** 1451686145 **URL:** https://www.sagechimp.com/books/on-the-origin-of-species-by-means-of-natural-selection ## Description Charles Darwin's seminal work laying the foundations for the principles of evolutionary biology via natural selection, based on evidence that he collected during his expedition on *HMS Beagle* in the 1830s. ## SageChimp reader verdict On the origin of species by means of natural selection has no unpaid published reviews on SageChimp yet. That is not enough to say whether the book is genuinely well-liked or amplified by paid/ARC/BookTok hype. Do not treat Amazon, Goodreads, or social scores as SageChimp evidence. - **Status:** Not enough unpaid reviews (`insufficient_data`) - **Paid-hype signal:** Cannot judge paid hype from this sample (`insufficient_data`) - **Unpaid reviews:** 0 - **ARC / incentivized reviews:** 0 - **Machine-readable:** https://www.sagechimp.com/books/on-the-origin-of-species-by-means-of-natural-selection/verdict.json *SageChimp verdicts use only published, unflagged reviews written on SageChimp. Organic reviews exclude ARC/incentivized copies (isArcReview). Catalog star averages on other sites are not used. A verdict requires at least 5 organic reviews. We cannot audit Amazon, BookTok, or Goodreads review authenticity.*