Freakonomics by Steven D. LevittThe Demon Under the Microscope by Thomas Hager
Best Science Books - Non-Fiction Only
1,837 books — 3,600 voters
I, Claudius by Robert GravesImperium by Robert   HarrisClaudius the God and His Wife Messalina by Robert Graves
Best Books About Ancient Rome
738 books — 1,084 voters

Dauntless by Jack Campbell
Best Military Science Fiction
109 books — 75 voters