Elementary Process Theory: Introduction and application to repulsive gravity: Final edition of the dissertation with almost same title

Introduction to Einstein’s Theory of Relativity: From Newton’s Attractive Gravity the Repulsive Vacuum Energy

The Knot Book: An Elementary Introduction To Mathematical Theory Of Knots

Theory and Reality: An Introduction to the Philosophy of Science, Second Edition

Introduction to the Theory of Early Universe: Cosmological Perturbations and Inflationary (Second Edition)