The full book-and-audio set can be expensive, though it is often deemed worth the investment.
Some dialogues are considered dry, stiff, or sometimes "bizarre". Assimil Spanish With Ease
Focuses on 100 lessons containing daily dialogues, audio, and grammar notes. The full book-and-audio set can be expensive, though
Teaches full phrases and expressions rather than isolated vocabulary lists. Cons Assimil Spanish With Ease