I want to read Annie's poetry. Where should I start?
If you want to read a slim poetry collection, Calendars is a good entry point. If you want a more complete overview, try Spells: New and Selected Poems.
Which books of Annie's criticism and poetics will help me understand more about her poetry?
The best book to read for this purpose is The Body of Poetry: Essays on Women, Form, and the Poetic Self. You may also be interested in Annie's Patreon where she posts drafts of poems in progress and notes from her writing journal.
Which books of Annie's focus on feminist criticism and women poets?
Annie's ideas about women's poetry and feminist poetics are laid out in several essays in The Body of Poetry, chapters in The Ghost of Meter, and the preface to A Formal Feeling Comes, among others. Also check out the Essays on this site, and you may also be interested in Choice Words: Writers on Abortion.
Where is the best place to purchase your books so I can support you?
Thank you for this thoughtful question! The best place is Poetry Witch Bookshop at Bookshop.org, which maintains Annie's Poetry Witch Community while also supporting Indie Bookstores.