He is particularly taken by human music, especially Beethoven.
Doomsday Book | The Doomsday Scenario | Doomsday Clock | Doomsday | Doomsday Preppers | Doomsday (film) | doomsday | Superman: Doomsday | Self-Indication Assumption Doomsday argument rebuttal | Mr. Denton on Doomsday | Jose Chung's Doomsday Defense | Jose Chung's ''Doomsday Defense'' | Four to Doomsday | Doomsday (The Office) | Doomsday Festival | Doomsday device | doomsday device | Doomsday cult | Doomsday Comfort | Doomsday argument | "Doomsday" |
The other "substantial" book, Life After Doomsday: A Survivalist Guide to Nuclear War and Other Major Disasters by Bruce D. Clayton, itself is stated to praise and borrow from Nuclear War Survival Skills.