all? there are 20. Edit: A textbook provoked the "Amazon Prime for Student" prompt. Deleted other items, and it proceeded. After placing that order, the "de

all? there are 20. Edit: A textbook provoked the "Amazon Prime for Student" prompt. Deleted other items, and it proceeded. After placing that order, the "deleted items" reappeared. So I placed a second order for those. Amazon UI and txn flow is somewhat broken.