[ 2019 ] 31. ★★☆ JY Yang, The Black Tides of Heaven 30. ★☆☆ Rebecca Roanhorse, Trail of Lightning 29. ★☆☆ Jo Walton, The Just City 28. ★★★ Arkady Martine, A Memory Called Empire 27. ★★☆ Mary Robinette Kowal, The Fated Sky 26. ★★★ Becky Chambers, Record of a Spaceborn Few 25. ★★☆ Mary Robinette Kowal, The Calculating Stars 24. ★★☆ Octavia E. Butler, Imago 23. ★★☆ Octavia E. Butler, Kindred 22. ★★☆ Octavia E. Butler, Adulthood Rites 21. ★★★ Octavia E. Butler, Wild Seed 20. ★★☆ Octavia E. Butler, Parable of the Talents 19. ★★☆ Jeff VanderMeer, Acceptance 18. ★★★ Becky Chambers, A Closed and Common Orbit 17. ★★☆ Octavia E. Butler, Dawn 16. ★★☆ Jeff VanderMeer, Authority 15. ★★☆ Octavia E. Butler, Parable of the Sower 14. ★★☆ C. A. Higgins, Lightless 13. ★☆☆ Alfred Bester, The Demolished Man 12. ★★★ Karin Tidbeck, Amatka 11. ★☆☆ Catherynne M. Valente, Space Opera 10. ★★☆ Rivers Solomon, An Unkindness of Ghosts 9. ★★★ Becky Chambers, The Long Way to a Small Angry Planet 8. ★★☆ Emily St. John Mandel, Station Eleven 7. ★★★ Douglas Adams, Dirk Gently's Holistic Detective Agency 6. ★★★ Octavia E. Butler, Fledgling 5. ★★★ Jeff VanderMeer, Annihilation 4. ★★☆ Alfred Bester, The Stars My Destination 3. ★☆☆ Samuel R. Delany, The Einstein Intersection 2. ★★★ Octavia E. Butler, Mind of My Mind 1. ★☆☆ Robert A. Heinlein, Waldo & Magic, Inc. [ 2018 ] 25. ★★★ Douglas Adams, The Long Dark Tea-Time of the Soul 24. ★★☆ Khaled Hosseini, A Thousand Splendid Suns 23. ★★☆ Nathan Altice, I Am Error 22. ★★★ Ruth Ozeki, A Tale for the Time Being 21. ★☆☆ Arthur C. Clarke, Earthlight 20. ★★★ Terry Pratchett & Neil Gaiman, Good Omens 19. ★☆☆ Robert A. Heinlein, Starship Troopers 18. ★★☆ Liu Cixin, The Three-Body Problem 17. ★★☆ Robert A. Heinlein, Revolt in 2100 16. ★★☆ ed. Robert A. Heinlein, Tomorrow, the Stars 15. ★★☆ Robert A. Heinlein, Assignment in Eternity 14. ★☆☆ Robert A. Heinlein, The Rolling Stones 13. ★★☆ Robert A. Heinlein, Starman Jones 12. ★☆☆ Robert A. Heinlein, Space Cadet 11. ★☆☆ Robert A. Heinlein, Farmer in the Sky 10. ★★☆ Robert A. Heinlein, Between Planets 9. ★★☆ Robert A. Heinlein, Red Planet 8. ★☆☆ Robert A. Heinlein, Rocket Ship Galileo 7. ★☆☆ Robert A. Heinlein, Sixth Column 6. ★☆☆ Robert A. Heinlein, Beyond This Horizon 5. ★★☆ Robert A. Heinlein, Orphans of the Sky 4. ★★☆ Tracy Kidder, The Soul of a New Machine 3. ★★★ James Alan Gardner, Ascending 2. ★★★ Anne Frank, The Diary of a Young Girl 1. ★★★ Harper Lee, Go Set a Watchman [ 2017 ] 1. ★★★ James Alan Gardner, Expendable [ ... ] • ★★★ Harper Lee, To Kill a Mockingbird • ★★★ Douglas Adams, The Hitchhiker's Guide to the Galaxy • ★★★ Douglas Adams, The Restaurant at the End of the Universe • ★★☆ Douglas Adams, Life, the Universe and Everything • ★★★ Douglas Adams, So Long, and Thanks for All the Fish • ★★☆ Douglas Adams, Mostly Harmless • ★☆☆ Eoin Colfer, And Another Thing... • ★★★ Margaret Atwood, The Handmaid's Tale • ★★☆ Kazuo Ishiguro, Never Let Me Go • ★★★ Philip Pullman, The Goldan Compass • ★★★ Philip Pullman, The Subtle Knife • ★★★ Philip Pullman, The Amber Spyglass • ★★★ William Goldman, The Princess Bride