4 by Agatha ChristieGiovanni’s Room by James Baldwin
Best Books of the Decade: 1950s
1,185 books — 1,509 voters
A Single Man by Christopher Isherwood
Best Books of the Decade: 1960s
1,363 books — 1,777 voters

Harry Potter and the Half-Blood Prince by J.K. RowlingThe Curious Incident of the Dog in the Night-Time by Mark HaddonThe Lightning Thief by Rick RiordanOne Day by David Nicholls
Best Books of the Decade: 2000s
7,187 books — 28,372 voters
A Single Man by Christopher IsherwoodThe Hours by Michael CunninghamBoy Meets Boy by David Levithan
Best Gay Fiction
2,667 books — 3,877 voters

Gone Girl by Gillian FlynnThe Silkworm by Robert GalbraithA Dance with Dragons by George R.R. MartinA Spool of Blue Thread by Anne Tyler
Best Books of the Decade: 2010s
7,701 books — 14,238 voters