Go to your local college or university bookstore, see what they're using, then go and find it cheaper somewhere else.

you can't learn how to pronounce correctly through a textbook. You need hispanophone connections, environments withWhom/where you can't speak english

My partner is quite a fan of the Ollie Richards story learning books. I think they have a couple of those for Spanish.

Not really, my only period of interaction with the language started and ended in high school. I'm sure you'll find tonnes of recommendations in language-learning communities on the internet though.