Bookshop.org is new to the ebook business, but seems to be very popular among authors. Books display in their own app for now, but they promise Kobo integration

Bookshop.org is new to the ebook business, but seems to be very popular among authors. Books display in their own app for now, but they promise Kobo integration soon. I purchased a book there recently, then visited my friend Anna so I could put it on my Kobo.