Adventures in Celestial Mechanics: A First Course in the Theory of Orbits

An Introduction to Celestial Mechanics (Dover Books on Astronomy)

A Most Incomprehensible Thing: Notes Towards a Very Gentle Introduction to the Mathematics of Relativity

Orbital Motion, Fourth Edition

Fundamentals of Celestial Mechanics, 2nd Revised & Enlarged Edition

Space Mathematics: Math Problems Based on Space Science (Dover Books on Aeronautical Engineering)

It's ONLY Rocket Science: An Introduction in Plain English (Astronomers' Universe)

Heavenly Mathematics: The Forgotten Art of Spherical Trigonometry