Waiting for Godot by Samuel Beckett
Best Books of the Decade: 1950s
1,190 books — 1,502 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
1,351 books — 1,776 voters

If on a Winter’s Night a Traveler by Italo Calvino
Best Books of the Decade: 1970s
1,936 books — 1,870 voters
Simon och ekarna by Marianne FredrikssonMatilda by Roald Dahl
Best Books of the Decade: 1980s
2,252 books — 2,422 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
3,141 books — 3,668 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
7,224 books — 28,362 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
7,674 books — 14,010 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
7,788 books — 49,734 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
15,031 books — 17,220 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
8,178 books — 19,862 voters