The Disappearing Spoon by Sam KeanA Sand County Almanac and Sketches Here and There by Aldo Leopold
Best Non-Fiction (no biographies)
6,265 books — 8,161 voters

The Knife Man by Wendy MooreHere's Looking at Euclid by Alex Bellos
You Read a Book about What?
4,139 books — 2,470 voters
The Immortal Life of Henrietta Lacks by Rebecca SklootStiff by Mary RoachThe Hot Zone by Richard   PrestonThe Professor and the Madman by Simon Winchester
Medicine and Literature
1,981 books — 2,225 voters

The Immortal Life of Henrietta Lacks by Rebecca Skloot
Awesome Science Books
221 books — 71 voters
The Elements by Theodore Gray
Chemistry - best books
174 books — 99 voters