The full book-and-audio set can be expensive, though it is often deemed worth the investment.
You likely won't reach a "true" high-level B2 without supplementing with other materials. Tips for Success
Focuses on 100 lessons containing daily dialogues, audio, and grammar notes. Assimil Spanish With Ease
Some dialogues are considered dry, stiff, or sometimes "bizarre".
Excellent for shadowing and improving pronunciation. The full book-and-audio set can be expensive, though
Bite-sized lessons allow for quick, daily practice (approx. 20–30 mins), ideal for fitting into a busy schedule.
Individuals who prefer context-driven learning and want to develop strong reading and listening skills from a beginner (A1/A2) to intermediate (B1/B2) level. daily practice (approx. 20–30 mins)
Teaches full phrases and expressions rather than isolated vocabulary lists. Cons
