The Girl on the Train by Paula Hawkins
Best Books of 2015
3,100 books — 5,118 voters
To Kill a Mockingbird by Harper LeeHarry Potter and the Sorcerer's Stone by J.K. RowlingPride and Prejudice by Jane AustenThe Hobbit, or There and Back Again by J.R.R. TolkienThe Little Prince by Antoine de Saint-Exupéry
Books That Everyone Should Read At Least Once
33,261 books — 126,267 voters

Harry Potter and the Philosopher's Stone by J.K. RowlingThe Time Traveler's Wife by Audrey Niffenegger
Best Young Adult Books
13,009 books — 80,526 voters