Too Many books, so don't waste time reading what you don't like

So many books, so don't waste your time reading what you don't like.
When we were students, assigned books in literature classes needed to be read to complete the assignment in order to pass the course, consequently we had to read many books that we didn't like. But we are no longer students, we have various interests, and too little time to waste on books we just don't like.
My rule of thumb for a book is, If the first 5 - 10 pages don't grab me, well I just put the book down and start something else.
The proverbial saying about "Don't judge a book by its cover", can be wrong at least 50% of the time. Authors don't always get their choice of cover illustrators, but sometimes they do, they should have more say as they know what their book is about, consequently publishers pick real "dogs" for covers. One of my very favorite cover illustrators is Wendell Minor, pick up the original "Cold Sassy Tree" or "Fried Green Tomatoes..." you will, probably, notice that the art really does convey the essence of these books, he nailed it.......
So, enjoy yourself.