Here are some of my favourite game design books I have read 🙂

The Gamer's Brain: How Neuroscience and UX Can Impact Video Game Design

The Art of Game Design: A Book of Lenses, Third Edition

Uncertainty in Games (Playful Thinking Series)

Game Feel: A Game Designer's Guide to Virtual Sensation (Morgan Kaufmann Game Design Books)

Game Balance

Rules of Play – Game Design Fundamentals