Table,Field,Description works,work_id,Unique identifier for the book (work) in the dataset. works,isbn,"The 10-digit International Standard Book Number associated with the work, if available." works,isbn13,"The 13-digit International Standard Book Number associated with the work, if available." works,original_title,"The original title of the book, in its original language." works,author,Name of the book’s primary author. works,original_publication_year,Year the work was first published. works,num_pages,Total number of pages in the work’s primary edition. works,description,"Summary or synopsis of the book, typically from Goodreads or the publisher." works,genres,"Comma-separated list of genres associated with the work (e.g., ""fiction, romance, thriller"")." works,image_url,URL link to the book’s cover image. works,reviews_count,"Total number of reviews for the work, based on Goodreads metadata." works,text_reviews_count,"Number of written (text) reviews for the work, based on Goodreads metadata." works,5_star_ratings,Number of 5-star ratings the work has received. works,4_star_ratings,Number of 4-star ratings the work has received. works,3_star_ratings,Number of 3-star ratings the work has received. works,2_star_ratings,Number of 2-star ratings the work has received. works,1_star_ratings,Number of 1-star ratings the work has received. works,ratings_count,Total number of ratings the work has received across all star levels. works,avg_rating,"Average rating for the work, typically a float value between 1 and 5." works,similar_books,"Comma-separated list of work IDs for books that are marked as similar to this one (e.g., ""12345, 67890"")." reviews,review_id,Unique identifier for each review. reviews,user_id,Unique identifier for the user who submitted the review. reviews,work_id,ID of the book (work) being reviewed (foreign key to works). reviews,started_at,Date the user marked as when they started reading the book (if available). reviews,read_at,Date the user marked as when they finished reading the book (if available). reviews,date_added,Date the review was added to Goodreads. reviews,rating,Number of stars (1–5) given in the review. reviews,review_text,"Full text of the user’s written review, where spoiler contents are surrounded by '(view spoiler)[' and '(hide spoiler)]'" reviews,n_votes,Number of "helpful" or "likes" votes the review has received from other users. reviews,n_comments,Number of comments left by other users on the review.