What Is A Quantum Field Theory

Cambridge University Press

What Is a Quantum Field Theory?: A First Introduction for Mathematicians

John Murray

What is Real?: The Unfinished Quest for the Meaning of Quantum Physics

Penguin

Reality Is Not What It Seems: The Journey to Quantum Gravity

Language Research Foundation

What Is Quantum Mechanics?: A Physics Adventure  

Cambridge University Press

What is Quantum Information?                    

What if Quantum Theory is Crap? (English Edition)

Springer Nature

What is an Electron?: An Accessible Guide to Its History, Theory and Physical Properties

Sangam Books Ltd

What is Reality?                                

John Murray Publishers Ltd

What Is Inside a Black Hole?                    

Lulu

Quantum Mechanics — What is wrong with it and how to fix it