The White Mountains by John ChristopherA Wrinkle in Time by Madeleine L'EngleThe Secret of the Great Red Spot by Leonardo RamirezThe True Meaning of Smekday by Adam RexEnchantress from the Stars by Sylvia Engdahl
SF for Kids--classic and new
32 books — 15 voters
A Short History of Nearly Everything by Bill BrysonA Brief History of Time by Stephen W. HawkingCosmos by Carl SaganThe Selfish Gene by Richard DawkinsGuns, Germs, and Steel by Jared Diamond
Best Science Books - Non-Fiction Only
1,867 books — 3,612 voters

The Hunger Games by Suzanne CollinsPride and Prejudice by Jane AustenTo Kill a Mockingbird by Harper LeeHarry Potter and the Order of the Phoenix by J.K. RowlingThe Book Thief by Markus Zusak
Best Books Ever
77,123 books — 287,196 voters
The Diary of a Young Girl by Anne FrankThe Glass Castle by Jeannette WallsJohn Adams by David McCulloughThe Story of My Life by Helen KellerJulie and Julia by Julie Powell
Best Biographies/Autobiographies
535 books — 138 voters

The Glass Castle by Jeannette WallsThe Diary of a Young Girl by Anne FrankAngela's Ashes by Frank McCourtNight by Elie WieselEat, Pray, Love by Elizabeth Gilbert
Favorite Memoirs/Autobiographies
2,133 books — 1,977 voters
To Kill a Mockingbird by Harper Lee1984 by George OrwellPride and Prejudice by Jane AustenThe Diary of a Young Girl by Anne FrankHarry Potter and the Sorcerer's Stone by J.K. Rowling
100 Books to Read in a Lifetime: Readers' Picks
15,683 books — 18,056 voters