The short answer: Start with whichever one you think you need the most.
Like, if your big problem is anxiety, read Calm the Fuck Down. If you need help setting goals and organizing your life (and making decisions about which book to read…), then Get Your Shit Together is your best bet. If you’re looking for a confidence boosting guide to living your most authentic life, You Do You is your jam. And so forth.
The longer answer: I’m well aware that not everyone has a spare $100 to go out and buy all five No Fucks Given Guides (plus the journals!) just so they can start at the beginning. And with that in mind, I designed each book specifically so it can be read on its own apart from the group. But if you do have the time, energy, money, and desire to read them in order, this is it: