In this era of heavy marketing and aggressive promotions of modern poetry books and much of it not great, which are your favorite classic or contemporary poetry books that are great quality and worth it?

In this era of heavy marketing and aggressive promotions of modern poetry books and much of it not great, which are your favorite classic or contemporary poetry books that are great quality and worth it? My favorite poetry books are Mary oliver, Emily dickinson etc. Which are yours? What genre poetry you prefer? I prefer nature poetry, emotional , one thats mindset changing etc. Though am open to all genre poetry suggestions.