If war comes to your country and you plan to be part of the resistance, you may wish you had a copy of The Anarchist Cookbook.
https://cdn.preterhuman.net/texts/terrorism_and_pyrotechnics/explosives/MISC/Anarchist%20Cookbook%20-%20William%20Powell.pdf
@paxterrarum be VERY careful with the Anarchist's cookbook. some of their instructions are not exactly correct & will hurt you more than your target.
@redenigma After seeing your reply I reviewed the explosives section, and I can see the validity in your warning. Using the section on homemade detonators as an example, the book contains simple line drawings with very little explanation. I have the formal electronics training and years of experience so I didn't think about it much, but you're right. A novice could blow themselves to smithereens trying to follow those instructions.
@redenigma ^^^^^^^^^^ BTW, I don't mean "years of experience" building explosives, lol! I meant years of experience with electronics fabrication and maintenance.