Project Orion
I was quite excited when this book arrived. It's a bit old (early 2000s) and therefore a bit hard to find, so when Amazon randomly had a "new" copy I snapped it up. This copy is definitely unread, but yet still yellowed with time and the binding is a bit sad. Project Orion is the story of America's attempt to build interstellar space ships powered by small nuclear explosions in the early 1950s. The story is told through the lens of one of the children whose father was a principal researcher on the project and who has now interviewed a lot of the players as well as reading de-classified historical documents. It should be noted that much of the program is still classified -- for example the exact minimum amount of plutonium you need to make a big explosion. The 1950s seem to have been an interesting time for nuclear research, as the technology was seen as both generally hopeful in the sense of finding peaceful uses for this destructive capability, while also being terrifying with the prospect of mutually assured distruction. This project started before NASA existed -- at the time each major branch of the military was competing…