Lord of the Flies by William Golding
The Most Disturbing Books Ever Written
3,187 books — 11,168 voters
The Diary of a Young Girl by Anne FrankNumber the Stars by Lois LowryBetween Shades of Gray by Ruta Sepetys
Well-Written Holocaust Books
888 books — 2,878 voters

The Diary of a Young Girl by Anne FrankThe Glass Castle by Jeannette WallsInto Thin Air by Jon Krakauer
Best Memoir / Biography / Autobiography
5,767 books — 6,298 voters
The Lightning Thief by Rick RiordanThe Giver by Lois LowryTo Kill a Mockingbird by Harper LeeThe Perks of Being a Wallflower by Stephen ChboskyThe Hobbit, or There and Back Again by J.R.R. Tolkien
Best Young Adult Books
13,076 books — 80,114 voters

The Diary of a Young Girl by Anne FrankLord of the Flies by William Golding
One Million Ratings!
221 books — 1,045 voters
Blindness by José SaramagoRequiem for a Dream by Hubert Selby Jr.
Trippy Books
831 books — 892 voters

To Kill a Mockingbird by Harper LeePride and Prejudice by Jane AustenLord of the Flies by William GoldingThe Giver by Lois LowryThe Hobbit, or There and Back Again by J.R.R. Tolkien
Books That Everyone Should Read At Least Once
31,352 books — 119,247 voters
The Girl With the Dragon Tattoo by Stieg LarssonThe Five People You Meet in Heaven by Mitch Albom
Best Books of the Decade: 2000s
7,201 books — 28,369 voters

The Girl on the Train by Paula HawkinsGone Girl by Gillian FlynnReady Player One by Ernest ClineMe Before You by Jojo Moyes
Best Books of the Decade: 2010s
7,639 books — 14,092 voters
Things Not Seen by Andrew Clements
Books That Should Be Made Into Movies
32,193 books — 67,871 voters