Waiting for Godot by Samuel Beckett
Best Books of the Decade: 1950s
1,180 books — 1,510 voters
One Flew Over the Cuckoo’s Nest by Ken KeseyCharlie and the Chocolate Factory by Roald DahlWhere the Wild Things Are by Maurice SendakThe Wall by Marlen HaushoferMoominpappa at Sea by Tove Jansson
Best Books of the Decade: 1960s
1,356 books — 1,779 voters

If on a Winter’s Night a Traveler by Italo Calvino
Best Books of the Decade: 1970s
1,946 books — 1,880 voters
Simon och ekarna by Marianne FredrikssonMatilda by Roald Dahl
Best Books of the Decade: 1980s
2,258 books — 2,434 voters

The Virgin Suicides by Jeffrey EugenidesGhost World by Daniel ClowesThe Land of Green Plums by Herta MüllerNaïve. Super by Erlend LoeJazz by Toni Morrison
Best Books of the Decade: 1990s
3,129 books — 3,678 voters
The Book Thief by Markus ZusakThe Help by Kathryn StockettMiddlesex by Jeffrey EugenidesAtonement by Ian McEwanExtremely Loud & Incredibly Close by Jonathan Safran Foer
Best Books of the Decade: 2000s
7,189 books — 28,379 voters

Where the Crawdads Sing by Delia OwensKlubben by Matilda GustavssonThe Book of Eels by Patrik SvenssonBeartown by Fredrik Backman
Best Books of the Decade: 2010s
7,644 books — 14,146 voters
To the Lighthouse by Virginia WoolfThe Wall by Marlen HaushoferIf on a Winter’s Night a Traveler by Italo CalvinoJazz by Toni MorrisonStoner by John  Williams
Best Books of the 20th Century
7,815 books — 49,777 voters

To the Lighthouse by Virginia WoolfHarry Potter and the Sorcerer's Stone by J.K. RowlingMiddlesex by Jeffrey EugenidesPride and Prejudice by Jane AustenThe Help by Kathryn Stockett
100 Books to Read in a Lifetime: Readers' Picks
15,145 books — 17,352 voters
Twilight by Stephenie MeyerBreaking Dawn by Stephenie MeyerNew Moon by Stephenie MeyerEclipse by Stephenie MeyerFifty Shades of Grey by E.L. James
The Worst Books of All Time
8,100 books — 19,876 voters