Mind-expanding non-fiction

Sapiens: A Brief History of Humankind

Yuval Noah Harari

Outliers: The Story of Success

Malcolm Gladwell

A Brief History of Time

Stephen Hawking

Guns, Germs, and Steel

Jared Diamond

Thinking, Fast and Slow

Daniel Kahneman

The Immortal Life of Henrietta Lacks

Rebecca Skloot

The Sixth Extinction

Elizabeth Kolbert

In Cold Blood

Truman Capote

The Denial of Death

Ernest Becker

Freakonomics

Steven D. Levitt