a book that has 'long-lasting' [='lasting, enduring'] significance
The trip had a 'long-lasting' effect on me.
The trip had a 'lasting' effect on her.
(..) Loki's scepter must be here. Strucker couldn't mount this defense without it. At long last. At long last is lasting a little long, boys. Yeah. I think we've lost the element of surprise. Wait a second. No one else is going to deal with the fact that Cap just said "language?" I know. (..)2015 Avengers: Age of Ultron