Assessing "Poetry Sales" isn't easy. Firstly it's not always clear what counts as poetry. Secondly, publishers often aren't forthcoming about sales, which rarely reach 4 figures and are usually part of a long tail. Some publishers give print-run sizes rather than sales, and count review copies as sales. And books on school/university reading lists may receive special treatment. e-books and web-publishing have complicated matters even further. I'd contend that poetry's never been
