Listen to my podcast "Native-Like Fluency" wherever you get your favorite podcasts.
To find the grammar books that I mentioned, go to the community of practice, section "Grammar" .
You will find grammar books, self-study tips, creative exercises, and interactive challenges to continuously improve your grammar and eliminate some old grammar mistakes that you've been making without knowing.
Start your free trial and get serious about your practice.
Check out the free interactive challenges.