- ordering from 1 to 9 books ($ 1 per piece)
- ordering from 10 books, a 10% discount ($ 0.9 per piece)
- ordering from 30 books, a 15% discount ($ 0.85 per piece)
- ordering more than 50 books, a 20% discount ($ 0.8 per piece)
- when ordering more than 200 books the price is negotiated individually