Books
Audiobooks
The Inexplicable Universe: Unsolved Mysteries
2014
Welcome to the Universe: An Astrophysical Tour (Unabridged)
2017
Space Chronicles: Facing the Ultimate Frontier (Unabridged)
2015
Astrofysik for travle mennesker
2018
A Brief Welcome to the Universe: A Pocket-Sized Tour (Unabridged)
2021
My Favorite Universe
2016