"Stop Huntin' Sheep" is a fantastic text on concrete methods for creating robust networks from which to take action, small or large. Like "Confidence," this zine discusses how to positively build a network instead of hoping to kick out everyone with the wrong "vibes."
https://www.sproutdistro.com/catalog/zines/security/stop-hunting-sheep/
"Use Signal, Use Tor" were slogans for a while, and while that slogan's use dropped off, Signal is still the go-to messenger for radicals. However, it's not a silver bullet. "Signals Fails" discusses how to use it correctly and common mistakes.
https://www.sproutdistro.com/catalog/zines/security/signal-fails/