in no particular order:

The Demon Under the Microscope: From Battlefield Hospitals to Nazi Labs, One Doctor’s Heroic Search for the World’s First Miracle Drug

The Wave: In the Pursuit of the Rogues, Freaks and Giants of the Ocean

Among the Thugs: The Experience, and the Seduction, of Crowd Violence

Anything by Mary Roach or Bill Bryson

*I love a good subtitle. Read Stephen Jay Gould, too. The Burgess Shale one in particular.