Sometimes I'll read books which argue some point I already agree with, where the first half of the book tries to convince the reader the point is valid, and the

Sometimes I'll read books which argue some point I already agree with, where the first half of the book tries to convince the reader the point is valid, and the second half spends time debunking counter-arguments. In such cases, jumping to the end can be the best use of time. It all depends really. In fact, there's a whole science-of-sorts behind reading non-fiction: http://pne.people.si.umich.edu/PDF/howtoread.pdf http://pne.people.si.umich.edu/PDF/howtoread.pdf