The Warlock in Spite of Himself by Christopher Stasheff
Best Fantasy Series: Hidden Gems
622 books — 454 voters
Split Infinity by Piers AnthonyThieves' World by Robert Lynn Asprin
Best Fantasy Series, Trilogies, and Duologies
2,078 books — 11,675 voters

Palimpsest by Charles Stross
Thought Provoking
2,861 books — 1,481 voters
Palimpsest by Charles Stross
Books That Have Made An Impression
3,913 books — 2,013 voters

The End of the World Is Just the Beginning by Peter ZeihanDisunited Nations by Peter Zeihan
Geopolitics
192 books — 44 voters
Breaking Free by Abby SherThe Demon-Haunted World by Carl SaganThe Structure of Scientific Revolutions by Thomas S. KuhnHow to Lie with Statistics by Darrell HuffThe Myth of Sisyphus and Other Essays by Albert Camus
Best Books To Frame Thinking
1,280 books — 1,421 voters

Limits to Growth by Donella H. MeadowsEmpty Planet by Darrell BrickerHow to Avoid a Climate Disaster by Bill  GatesThe End of the World Is Just the Beginning by Peter Zeihan
Collapsology — Non-fiction
38 books — 32 voters

The Uninhabitable Earth by David Wallace-WellsAn Inconvenient Truth by Al GoreEaarth by Bill McKibbenUnder a Green Sky by Peter D. WardThe Revenge of Gaia by James E. Lovelock
Best Popular Climate Books on Goodreads
187 books — 33 voters
The Selfish Gene by Richard DawkinsThe Demon-Haunted World by Carl SaganPale Blue Dot by Carl SaganWhy Evolution Is True by Jerry A. CoyneThe Extended Phenotype by Richard Dawkins
Best Science Books - Non-Fiction Only
1,837 books — 3,600 voters

Citadel by Marko Kloos
Can't Wait Sci-Fi/Fantasy of 2021
597 books — 1,493 voters
A Fire Upon the Deep by Vernor VingeThe Diamond Age by Neal Stephenson
Best Books About Nanotechnology
182 books — 659 voters

The God Engines by John Scalzi
Most Under-rated Science Fiction
2,075 books — 2,162 voters

Freedom Incorporated by Peter TyleeScratch Monkey by Charles StrossSaturn's Children by Charles Stross
Favorite Poorly Rated Books
1,519 books — 261 voters
Triumphant by Jack CampbellThe Raven Tower by Ann LeckieAlice Payne Rides by Kate Heartfield
Can't Wait Science Fiction/Fantasy of 2019
594 books — 1,724 voters

Scout's Progress by Sharon LeeOnce a Hero by Elizabeth MoonMouse and Dragon by Sharon LeeShattered Spear by Jack Campbell
Space Opera Romance
186 books — 136 voters
The God Engines by John ScalziThe Raven Tower by Ann LeckieThe Deed of Paksenarrion by Elizabeth MoonThe Iliad by HomerScratch Monkey by Charles Stross
Books with Angels, Gods, or Demons
2,315 books — 3,419 voters

The Long Emergency by James Howard KunstlerThe New Hacker's Dictionary by Eric S. RaymondOne Fish, Two Fish, Red Fish, Blue Fish by Dr. SeussYellow by Frank H. WuDid I Ever Tell You How Lucky You Are? by Dr. Seuss
Yellowest Books Ever
1,803 books — 579 voters
Old Man's War by John ScalziOn Basilisk Station by David  WeberDauntless by Jack CampbellThe Ghost Brigades by John ScalziThe Honor of the Queen by David  Weber
Best Military Science Fiction Books
693 books — 850 voters