any spiritual books that actually helped you in real life, not just theory?

I’ve tried getting into spiritual books but a lot of them feel kinda abstract or repetitive

I’m looking for something that actually helps in real situations… like overthinking, stress, or just being more aware day to day

I liked The Power of Now (not everything, but some parts really stuck with me)

not really looking for anything too “mystical” or preachy, more practical stuff

would love some recommendations if something genuinely helped you