Free to read

Edwin F. Taylor

2 free books by Edwin F. Taylor.

Exploring Black Holes: Introduction to General Relativity
course editions cited: 2000–2010 · Read at www.eftaylor.com ↗ · Assigned in 3 MIT courses
Spacetime Physics: Introduction to Special Relativity
2nd edition (1992, CC release) · 1992 · Read at www.eftaylor.com ↗