Paul J. Nahin

The Delicate Art of Brute Force

An Imaginary Tale

In Pursuit of Zeta-3

Time Machine Tales

Inside Interesting Integrals

Number-Crunching

The Logician and the Engineer (Unabridged)

Time Machine Tales: The Science Fiction Adventures and Philosophical Puzzles of Time Travel (The Science and Fiction Series)

Holy Sci-Fi!: Where Science Fiction and Religion Intersect (The Science and Fiction Series)