Shout out to the novel Blood Meridian, in which the main characters brew gun powder from volcanic ash, urine, and other things on hand
My parents were believers in not reading children’s books but actual novels to me, at ages 4+ and they went through most of Verne’s novels, but I will never forget that particular one.
Bootstrapping civilization from literally nothing to gunpowder, steam engines and telegraphs was mesmerizing. I think this was the time I decided I wanted to get involved in engineering in general. I mean McGyver is nice and all but I’ve not seen anything come close to scope and ingenuity as a literary work since.