Home Slickdeals Kindle Classic Sci-Fi eBook: Red Planet by Robert Heinlein – $0.99 –... Slickdeals Kindle Classic Sci-Fi eBook: Red Planet by Robert Heinlein – $0.99 – Amazon By ARCOM - 2 July 2020 128 0 SHARE Facebook Twitter Go to the deal page: Kindle Classic Sci-Fi eBook: Red Planet by Robert Heinlein – $0.99 – Amazon