You might want to have this pdf of the above manual on a thumb drive somewhere. Just...because.
And maybe also this one too.
Nota bene that neither of these is the unreliable and jackassical Anarchist's Cookbook, which tome, owing to certain well-publicized errata, is guaranteed to get its users killed, with far more finality than a Wile E. Coyote demonstration would suggest.
The .mil's manuals, by contrast, have a reliability and trustworthiness factor of 5x5.
For bonus utility, perhaps also in dead-tree form, which requires no electrical power to utilize.
For instance, so that if you see something, you can say something, to the appropriate three-letter agencies' minions. Because you'd totally do that, as a stand-up red-blooded patriot.
Knowledge is Power. Truth is Light. Explosives are both.