Tutorial Guide to X-ray and Gamma-ray Astronomy: Data Reduction and Analysis

Something Deeply Hidden: Quantum Worlds and the Emergence of Spacetime

Regular Black Holes: Towards a New Paradigm of Gravitational Collapse

Special Relativity and Classical Field Theory

The Biggest Ideas in the Universe: Space, Time, and Motion

Foundations of General Relativity: From Einstein to Black Holes

Handbook of X-ray and Gamma-ray Astrophysics

The Elegant Universe: Superstrings, Hidden Dimensions, and the Quest for the Ultimate Theory

Recent Progress on Gravity Tests: Challenges and Future Perspectives

Gravity Advanced Level Physics GCE (Easy JavaScript Simulation) 1/2: 20170802 version

High-Resolution X-ray Spectroscopy: Instrumentation, Data Analysis, and Science

Gravity's Shadow: The Search for Gravitational Waves

Handbook of Gravitational Wave Astronomy

The Ascent of Gravity: The Quest to Understand the Force that Explains Everything

New Frontiers in GRMHD Simulations

Unified Field Theory: 'Ukray' Unified Electro/Gravitation Field Theory

Gravitation

Three Roads to Quantum Gravity