If you're not enjoying a book 25% of the way in just give it up. Life is too short you don't need to plough through this. I have a teardrop tattoo for every book I abandoned in this way.

Writer, podcaster, and commentator on foreign affairs and politics. Runs /dropglobalnews

Clanker Broadcasting Service /cbs

I think if the info in the book doesn’t help you solve anything today - it’s useless pretty much

The ones that can shift your mindset for better can work but you have to be looking for it to work in the first place

In the end only actions matter and it’s much faster and easier to get info from other places

1. some stuff come into play way later 
2. some 'mindset shifts' happen as result of build ups over time
3. if you were aware of a mindset shift 25% into a book, was it really a mindset shift? 

that being said I agree with abandoning stuff you don't enjoy