Edgar Rice Burroughs’ ‘Thuvia, Maid of Mars’, Great Free Kindle Classic Book, Deals Authors, Promote Your Book to 4 Million Readers. Become A Bestselling Author. Free Kindle Books – Classic ***Thuvia, Maid of Mars by Edgar Rice Burroughs. Price: Free. Genre: Classic, Adventure, Historical. Rated: 4.5 stars on 391 Reviews. 174 pages. ASIN: B09JK84Q2Y.