An Unkindness of Ghosts With many awards and accolades, An Unkindness of Ghosts by Rivers Solomon ($37) was one of the best books of 2017. Born into slavery, Aster is trying to escape from the segregated spaceship she lives on, which has brought the last of humanity to a Promised Land for generations. Image Source: bookshop.org An Unkindness of Ghosts by Rivers Solomon $37 from bookshop.org Buy Now