| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Unknown Universe: The Origin of the Universe, Quantum Gravity, Wormholes, and Other Things Science Still Can't Explain | 978-1-6O163-OO3-2 (1-6O163-OO3-4) | 2008 |
H. P. · R. H. · R. Hammond · R. P. · Richard H. · Richard Hammond · Richard P.