Top textbooks for Startups
“Y Combinator's unofficial reading list”

Zero to One: Notes on Startups, or How to Build the Future
Peter Thiel, Blake Masters

The Hard Thing About Hard Things: Building a Business When There Are No Easy Answers
Ben Horowitz

Delivering Happiness: A Path to Profits, Passion, and Purpose
Tony Hsieh

High Growth Handbook
Elad Gil

Founders at Work: Stories of Startups' Early Days
Jessica Livingston

The Lean Startup
Eric Ries