Art of the "What-If?"

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

The Mathematical Radio: Inside the Magic of Am, Fm, and Single-Sideband

When Least Is Best

The Logician and the Engineer

In Praise of Simple Physics

Duelling Idiots and Other Probability Puzzlers

In Pursuit of Zeta-3: The World's Most Mysterious Unsolved Math Problem, Hardcover

Inside Interesting Integrals: A Collection of Sneaky Tricks, Sly Substitutions, and Numerous Other Stupendously Clever, Awesomely Wicked, and Devili

The Mathematical Radio: Inside the Magic of Am, Fm, and Single-Sideband